Home / 15,563.20-23,369.10-9,002.20

Finding the Fourth Proportional to 15,563.20, 23,369.10 and 9,002.20

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Solution

The fourth proportional to 15,563.20, 23,369.10 and 9,002.20 is: 13,517.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,563.20 : 23,369.10 = 9,002.20 : x
  2. Step 2: Convert to fraction form
    15,563.20/23,369.10 = 9,002.20/x
  3. Step 3: Cross multiply
    15,563.20x = 23,369.10 × 9,002.20
  4. Step 4: Simplify right side
    15,563.20x = 210,373,312.02
  5. Step 5: Solve for x
    x = 210,373,312.02/15,563.20
  6. Step 6: Final answer
    x = 13,517.36

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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.