Home / 18,569.96-25,631.42-11,502.30

Finding the Fourth Proportional to 18,569.96, 25,631.42 and 11,502.30

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Solution

The fourth proportional to 18,569.96, 25,631.42 and 11,502.30 is: 15,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569.96 : 25,631.42 = 11,502.30 : x
  2. Step 2: Convert to fraction form
    18,569.96/25,631.42 = 11,502.30/x
  3. Step 3: Cross multiply
    18,569.96x = 25,631.42 × 11,502.30
  4. Step 4: Simplify right side
    18,569.96x = 294,820,282.27
  5. Step 5: Solve for x
    x = 294,820,282.27/18,569.96
  6. Step 6: Final answer
    x = 15,876.20

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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.