Home / 15,535.26-23,270.69-8,117.28

Finding the Fourth Proportional to 15,535.26, 23,270.69 and 8,117.28

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Solution

The fourth proportional to 15,535.26, 23,270.69 and 8,117.28 is: 12,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,535.26 : 23,270.69 = 8,117.28 : x
  2. Step 2: Convert to fraction form
    15,535.26/23,270.69 = 8,117.28/x
  3. Step 3: Cross multiply
    15,535.26x = 23,270.69 × 8,117.28
  4. Step 4: Simplify right side
    15,535.26x = 188,894,726.82
  5. Step 5: Solve for x
    x = 188,894,726.82/15,535.26
  6. Step 6: Final answer
    x = 12,159.10

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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.