Home / 15,240.08-21,032.42-8,527.87

Finding the Fourth Proportional to 15,240.08, 21,032.42 and 8,527.87

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Solution

The fourth proportional to 15,240.08, 21,032.42 and 8,527.87 is: 11,769.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240.08 : 21,032.42 = 8,527.87 : x
  2. Step 2: Convert to fraction form
    15,240.08/21,032.42 = 8,527.87/x
  3. Step 3: Cross multiply
    15,240.08x = 21,032.42 × 8,527.87
  4. Step 4: Simplify right side
    15,240.08x = 179,361,743.55
  5. Step 5: Solve for x
    x = 179,361,743.55/15,240.08
  6. Step 6: Final answer
    x = 11,769.08

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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.