Home / 11,377.58-15,701.13-6,342.12

Finding the Fourth Proportional to 11,377.58, 15,701.13 and 6,342.12

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Solution

The fourth proportional to 11,377.58, 15,701.13 and 6,342.12 is: 8,752.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,377.58 : 15,701.13 = 6,342.12 : x
  2. Step 2: Convert to fraction form
    11,377.58/15,701.13 = 6,342.12/x
  3. Step 3: Cross multiply
    11,377.58x = 15,701.13 × 6,342.12
  4. Step 4: Simplify right side
    11,377.58x = 99,578,395.49
  5. Step 5: Solve for x
    x = 99,578,395.49/11,377.58
  6. Step 6: Final answer
    x = 8,752.16

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Half scale
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Double scale
Find fourth proportional to 11,378.58, 15,702.51 and 6,343.12
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.