Home / 15,645.60-23,468.48-6,289.92

Finding the Fourth Proportional to 15,645.60, 23,468.48 and 6,289.92

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Solution

The fourth proportional to 15,645.60, 23,468.48 and 6,289.92 is: 9,434.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,645.60 : 23,468.48 = 6,289.92 : x
  2. Step 2: Convert to fraction form
    15,645.60/23,468.48 = 6,289.92/x
  3. Step 3: Cross multiply
    15,645.60x = 23,468.48 × 6,289.92
  4. Step 4: Simplify right side
    15,645.60x = 147,614,861.72
  5. Step 5: Solve for x
    x = 147,614,861.72/15,645.60
  6. Step 6: Final answer
    x = 9,434.91

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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.