Home / 15,714.86-23,570.87-9,432.68

Finding the Fourth Proportional to 15,714.86, 23,570.87 and 9,432.68

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Solution

The fourth proportional to 15,714.86, 23,570.87 and 9,432.68 is: 14,148.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,714.86 : 23,570.87 = 9,432.68 : x
  2. Step 2: Convert to fraction form
    15,714.86/23,570.87 = 9,432.68/x
  3. Step 3: Cross multiply
    15,714.86x = 23,570.87 × 9,432.68
  4. Step 4: Simplify right side
    15,714.86x = 222,336,309.01
  5. Step 5: Solve for x
    x = 222,336,309.01/15,714.86
  6. Step 6: Final answer
    x = 14,148.16

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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.