Home / 20,069.64-27,695.25-11,117.52

Finding the Fourth Proportional to 20,069.64, 27,695.25 and 11,117.52

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Solution

The fourth proportional to 20,069.64, 27,695.25 and 11,117.52 is: 15,341.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,069.64 : 27,695.25 = 11,117.52 : x
  2. Step 2: Convert to fraction form
    20,069.64/27,695.25 = 11,117.52/x
  3. Step 3: Cross multiply
    20,069.64x = 27,695.25 × 11,117.52
  4. Step 4: Simplify right side
    20,069.64x = 307,902,495.78
  5. Step 5: Solve for x
    x = 307,902,495.78/20,069.64
  6. Step 6: Final answer
    x = 15,341.70

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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.