Home / 18,298.10-25,242.10-11,572.40

Finding the Fourth Proportional to 18,298.10, 25,242.10 and 11,572.40

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Solution

The fourth proportional to 18,298.10, 25,242.10 and 11,572.40 is: 15,964.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.10 : 25,242.10 = 11,572.40 : x
  2. Step 2: Convert to fraction form
    18,298.10/25,242.10 = 11,572.40/x
  3. Step 3: Cross multiply
    18,298.10x = 25,242.10 × 11,572.40
  4. Step 4: Simplify right side
    18,298.10x = 292,111,522.90
  5. Step 5: Solve for x
    x = 292,111,522.90/18,298.10
  6. Step 6: Final answer
    x = 15,964.04

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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.