Home / 15,789.20-23,652.60-10,246.40

Finding the Fourth Proportional to 15,789.20, 23,652.60 and 10,246.40

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Solution

The fourth proportional to 15,789.20, 23,652.60 and 10,246.40 is: 15,349.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,789.20 : 23,652.60 = 10,246.40 : x
  2. Step 2: Convert to fraction form
    15,789.20/23,652.60 = 10,246.40/x
  3. Step 3: Cross multiply
    15,789.20x = 23,652.60 × 10,246.40
  4. Step 4: Simplify right side
    15,789.20x = 242,354,000.64
  5. Step 5: Solve for x
    x = 242,354,000.64/15,789.20
  6. Step 6: Final answer
    x = 15,349.35

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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.