Home / 15,072.43-20,787.95-9,695.48

Finding the Fourth Proportional to 15,072.43, 20,787.95 and 9,695.48

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Solution

The fourth proportional to 15,072.43, 20,787.95 and 9,695.48 is: 13,372.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,072.43 : 20,787.95 = 9,695.48 : x
  2. Step 2: Convert to fraction form
    15,072.43/20,787.95 = 9,695.48/x
  3. Step 3: Cross multiply
    15,072.43x = 20,787.95 × 9,695.48
  4. Step 4: Simplify right side
    15,072.43x = 201,549,153.47
  5. Step 5: Solve for x
    x = 201,549,153.47/15,072.43
  6. Step 6: Final answer
    x = 13,372.04

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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.