Home / 15,285.26-22,920.32-5,423.06

Finding the Fourth Proportional to 15,285.26, 22,920.32 and 5,423.06

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Solution

The fourth proportional to 15,285.26, 22,920.32 and 5,423.06 is: 8,131.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285.26 : 22,920.32 = 5,423.06 : x
  2. Step 2: Convert to fraction form
    15,285.26/22,920.32 = 5,423.06/x
  3. Step 3: Cross multiply
    15,285.26x = 22,920.32 × 5,423.06
  4. Step 4: Simplify right side
    15,285.26x = 124,298,270.58
  5. Step 5: Solve for x
    x = 124,298,270.58/15,285.26
  6. Step 6: Final answer
    x = 8,131.90

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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.