Home / 15,025.85-22,539.98-5,165.13

Finding the Fourth Proportional to 15,025.85, 22,539.98 and 5,165.13

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Solution

The fourth proportional to 15,025.85, 22,539.98 and 5,165.13 is: 7,748.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,025.85 : 22,539.98 = 5,165.13 : x
  2. Step 2: Convert to fraction form
    15,025.85/22,539.98 = 5,165.13/x
  3. Step 3: Cross multiply
    15,025.85x = 22,539.98 × 5,165.13
  4. Step 4: Simplify right side
    15,025.85x = 116,421,939.81
  5. Step 5: Solve for x
    x = 116,421,939.81/15,025.85
  6. Step 6: Final answer
    x = 7,748.11

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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.