Home / 20,069.83-27,695.55-11,117.71

Finding the Fourth Proportional to 20,069.83, 27,695.55 and 11,117.71

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Solution

The fourth proportional to 20,069.83, 27,695.55 and 11,117.71 is: 15,341.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,069.83 : 27,695.55 = 11,117.71 : x
  2. Step 2: Convert to fraction form
    20,069.83/27,695.55 = 11,117.71/x
  3. Step 3: Cross multiply
    20,069.83x = 27,695.55 × 11,117.71
  4. Step 4: Simplify right side
    20,069.83x = 307,911,093.19
  5. Step 5: Solve for x
    x = 307,911,093.19/20,069.83
  6. Step 6: Final answer
    x = 15,341.99

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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.