Home / 15,561.40-23,344.67-5,714.50

Finding the Fourth Proportional to 15,561.40, 23,344.67 and 5,714.50

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Solution

The fourth proportional to 15,561.40, 23,344.67 and 5,714.50 is: 8,572.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,561.40 : 23,344.67 = 5,714.50 : x
  2. Step 2: Convert to fraction form
    15,561.40/23,344.67 = 5,714.50/x
  3. Step 3: Cross multiply
    15,561.40x = 23,344.67 × 5,714.50
  4. Step 4: Simplify right side
    15,561.40x = 133,403,116.72
  5. Step 5: Solve for x
    x = 133,403,116.72/15,561.40
  6. Step 6: Final answer
    x = 8,572.69

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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.