Home / 15,110.24-20,853.45-8,397.23

Finding the Fourth Proportional to 15,110.24, 20,853.45 and 8,397.23

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Solution

The fourth proportional to 15,110.24, 20,853.45 and 8,397.23 is: 11,588.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110.24 : 20,853.45 = 8,397.23 : x
  2. Step 2: Convert to fraction form
    15,110.24/20,853.45 = 8,397.23/x
  3. Step 3: Cross multiply
    15,110.24x = 20,853.45 × 8,397.23
  4. Step 4: Simplify right side
    15,110.24x = 175,111,111.68
  5. Step 5: Solve for x
    x = 175,111,111.68/15,110.24
  6. Step 6: Final answer
    x = 11,588.91

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.