Home / 15,605.19-23,407.28-6,242.70

Finding the Fourth Proportional to 15,605.19, 23,407.28 and 6,242.70

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Solution

The fourth proportional to 15,605.19, 23,407.28 and 6,242.70 is: 9,363.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,605.19 : 23,407.28 = 6,242.70 : x
  2. Step 2: Convert to fraction form
    15,605.19/23,407.28 = 6,242.70/x
  3. Step 3: Cross multiply
    15,605.19x = 23,407.28 × 6,242.70
  4. Step 4: Simplify right side
    15,605.19x = 146,124,626.86
  5. Step 5: Solve for x
    x = 146,124,626.86/15,605.19
  6. Step 6: Final answer
    x = 9,363.85

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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.