Home / 15,684.41-23,639.36-13,519.28

Finding the Fourth Proportional to 15,684.41, 23,639.36 and 13,519.28

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Solution

The fourth proportional to 15,684.41, 23,639.36 and 13,519.28 is: 20,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,684.41 : 23,639.36 = 13,519.28 : x
  2. Step 2: Convert to fraction form
    15,684.41/23,639.36 = 13,519.28/x
  3. Step 3: Cross multiply
    15,684.41x = 23,639.36 × 13,519.28
  4. Step 4: Simplify right side
    15,684.41x = 319,587,126.86
  5. Step 5: Solve for x
    x = 319,587,126.86/15,684.41
  6. Step 6: Final answer
    x = 20,376.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.