Home / 21,587.24-32,385.29-9,107.30

Finding the Fourth Proportional to 21,587.24, 32,385.29 and 9,107.30

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Solution

The fourth proportional to 21,587.24, 32,385.29 and 9,107.30 is: 13,662.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,587.24 : 32,385.29 = 9,107.30 : x
  2. Step 2: Convert to fraction form
    21,587.24/32,385.29 = 9,107.30/x
  3. Step 3: Cross multiply
    21,587.24x = 32,385.29 × 9,107.30
  4. Step 4: Simplify right side
    21,587.24x = 294,942,587.04
  5. Step 5: Solve for x
    x = 294,942,587.04/21,587.24
  6. Step 6: Final answer
    x = 13,662.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.