Home / 15,811.50-23,717.25-6,455.92

Finding the Fourth Proportional to 15,811.50, 23,717.25 and 6,455.92

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Solution

The fourth proportional to 15,811.50, 23,717.25 and 6,455.92 is: 9,683.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,811.50 : 23,717.25 = 6,455.92 : x
  2. Step 2: Convert to fraction form
    15,811.50/23,717.25 = 6,455.92/x
  3. Step 3: Cross multiply
    15,811.50x = 23,717.25 × 6,455.92
  4. Step 4: Simplify right side
    15,811.50x = 153,116,678.86
  5. Step 5: Solve for x
    x = 153,116,678.86/15,811.50
  6. Step 6: Final answer
    x = 9,683.88

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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.