Home / 15,621.64-23,432.48-6,387.64

Finding the Fourth Proportional to 15,621.64, 23,432.48 and 6,387.64

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Solution

The fourth proportional to 15,621.64, 23,432.48 and 6,387.64 is: 9,581.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621.64 : 23,432.48 = 6,387.64 : x
  2. Step 2: Convert to fraction form
    15,621.64/23,432.48 = 6,387.64/x
  3. Step 3: Cross multiply
    15,621.64x = 23,432.48 × 6,387.64
  4. Step 4: Simplify right side
    15,621.64x = 149,678,246.55
  5. Step 5: Solve for x
    x = 149,678,246.55/15,621.64
  6. Step 6: Final answer
    x = 9,581.47

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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.