Home / 10,124.92-15,172.26-8,288.92

Finding the Fourth Proportional to 10,124.92, 15,172.26 and 8,288.92

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Solution

The fourth proportional to 10,124.92, 15,172.26 and 8,288.92 is: 12,421.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.92 : 15,172.26 = 8,288.92 : x
  2. Step 2: Convert to fraction form
    10,124.92/15,172.26 = 8,288.92/x
  3. Step 3: Cross multiply
    10,124.92x = 15,172.26 × 8,288.92
  4. Step 4: Simplify right side
    10,124.92x = 125,761,649.36
  5. Step 5: Solve for x
    x = 125,761,649.36/10,124.92
  6. Step 6: Final answer
    x = 12,421.00

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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.