Home / 15,259.11-22,870.20-6,930.72

Finding the Fourth Proportional to 15,259.11, 22,870.20 and 6,930.72

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Solution

The fourth proportional to 15,259.11, 22,870.20 and 6,930.72 is: 10,387.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,259.11 : 22,870.20 = 6,930.72 : x
  2. Step 2: Convert to fraction form
    15,259.11/22,870.20 = 6,930.72/x
  3. Step 3: Cross multiply
    15,259.11x = 22,870.20 × 6,930.72
  4. Step 4: Simplify right side
    15,259.11x = 158,506,952.54
  5. Step 5: Solve for x
    x = 158,506,952.54/15,259.11
  6. Step 6: Final answer
    x = 10,387.69

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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.