Home / 15,124.20-22,686.30-9,284.10

Finding the Fourth Proportional to 15,124.20, 22,686.30 and 9,284.10

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Solution

The fourth proportional to 15,124.20, 22,686.30 and 9,284.10 is: 13,926.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,124.20 : 22,686.30 = 9,284.10 : x
  2. Step 2: Convert to fraction form
    15,124.20/22,686.30 = 9,284.10/x
  3. Step 3: Cross multiply
    15,124.20x = 22,686.30 × 9,284.10
  4. Step 4: Simplify right side
    15,124.20x = 210,621,877.83
  5. Step 5: Solve for x
    x = 210,621,877.83/15,124.20
  6. Step 6: Final answer
    x = 13,926.15

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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.