Home / 15,240.32-21,032.24-8,952.64

Finding the Fourth Proportional to 15,240.32, 21,032.24 and 8,952.64

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Solution

The fourth proportional to 15,240.32, 21,032.24 and 8,952.64 is: 12,354.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240.32 : 21,032.24 = 8,952.64 : x
  2. Step 2: Convert to fraction form
    15,240.32/21,032.24 = 8,952.64/x
  3. Step 3: Cross multiply
    15,240.32x = 21,032.24 × 8,952.64
  4. Step 4: Simplify right side
    15,240.32x = 188,294,073.11
  5. Step 5: Solve for x
    x = 188,294,073.11/15,240.32
  6. Step 6: Final answer
    x = 12,354.99

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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.