Home / 15,152.28-20,910.06-8,864.52

Finding the Fourth Proportional to 15,152.28, 20,910.06 and 8,864.52

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Solution

The fourth proportional to 15,152.28, 20,910.06 and 8,864.52 is: 12,232.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,152.28 : 20,910.06 = 8,864.52 : x
  2. Step 2: Convert to fraction form
    15,152.28/20,910.06 = 8,864.52/x
  3. Step 3: Cross multiply
    15,152.28x = 20,910.06 × 8,864.52
  4. Step 4: Simplify right side
    15,152.28x = 185,357,645.07
  5. Step 5: Solve for x
    x = 185,357,645.07/15,152.28
  6. Step 6: Final answer
    x = 12,232.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.