Home / 10,262.16-14,158.56-6,279.12

Finding the Fourth Proportional to 10,262.16, 14,158.56 and 6,279.12

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Solution

The fourth proportional to 10,262.16, 14,158.56 and 6,279.12 is: 8,663.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,262.16 : 14,158.56 = 6,279.12 : x
  2. Step 2: Convert to fraction form
    10,262.16/14,158.56 = 6,279.12/x
  3. Step 3: Cross multiply
    10,262.16x = 14,158.56 × 6,279.12
  4. Step 4: Simplify right side
    10,262.16x = 88,903,297.27
  5. Step 5: Solve for x
    x = 88,903,297.27/10,262.16
  6. Step 6: Final answer
    x = 8,663.21

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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.