Home / 11,378.02-15,701.29-6,342.45

Finding the Fourth Proportional to 11,378.02, 15,701.29 and 6,342.45

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Solution

The fourth proportional to 11,378.02, 15,701.29 and 6,342.45 is: 8,752.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.02 : 15,701.29 = 6,342.45 : x
  2. Step 2: Convert to fraction form
    11,378.02/15,701.29 = 6,342.45/x
  3. Step 3: Cross multiply
    11,378.02x = 15,701.29 × 6,342.45
  4. Step 4: Simplify right side
    11,378.02x = 99,584,696.02
  5. Step 5: Solve for x
    x = 99,584,696.02/11,378.02
  6. Step 6: Final answer
    x = 8,752.38

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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.