Home / 15,756.64-23,612.68-8,739.74

Finding the Fourth Proportional to 15,756.64, 23,612.68 and 8,739.74

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Solution

The fourth proportional to 15,756.64, 23,612.68 and 8,739.74 is: 13,097.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756.64 : 23,612.68 = 8,739.74 : x
  2. Step 2: Convert to fraction form
    15,756.64/23,612.68 = 8,739.74/x
  3. Step 3: Cross multiply
    15,756.64x = 23,612.68 × 8,739.74
  4. Step 4: Simplify right side
    15,756.64x = 206,368,683.90
  5. Step 5: Solve for x
    x = 206,368,683.90/15,756.64
  6. Step 6: Final answer
    x = 13,097.25

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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.