Home / 15,309.10-22,967.25-4,778.74

Finding the Fourth Proportional to 15,309.10, 22,967.25 and 4,778.74

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Solution

The fourth proportional to 15,309.10, 22,967.25 and 4,778.74 is: 7,169.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,309.10 : 22,967.25 = 4,778.74 : x
  2. Step 2: Convert to fraction form
    15,309.10/22,967.25 = 4,778.74/x
  3. Step 3: Cross multiply
    15,309.10x = 22,967.25 × 4,778.74
  4. Step 4: Simplify right side
    15,309.10x = 109,754,516.27
  5. Step 5: Solve for x
    x = 109,754,516.27/15,309.10
  6. Step 6: Final answer
    x = 7,169.23

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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.