Home / 21,487.16-32,229.23-9,002.63

Finding the Fourth Proportional to 21,487.16, 32,229.23 and 9,002.63

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Solution

The fourth proportional to 21,487.16, 32,229.23 and 9,002.63 is: 13,503.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,487.16 : 32,229.23 = 9,002.63 : x
  2. Step 2: Convert to fraction form
    21,487.16/32,229.23 = 9,002.63/x
  3. Step 3: Cross multiply
    21,487.16x = 32,229.23 × 9,002.63
  4. Step 4: Simplify right side
    21,487.16x = 290,147,868.43
  5. Step 5: Solve for x
    x = 290,147,868.43/21,487.16
  6. Step 6: Final answer
    x = 13,503.31

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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.