Home / 22,695.52-31,320.26-13,269.55

Finding the Fourth Proportional to 22,695.52, 31,320.26 and 13,269.55

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Solution

The fourth proportional to 22,695.52, 31,320.26 and 13,269.55 is: 18,312.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,695.52 : 31,320.26 = 13,269.55 : x
  2. Step 2: Convert to fraction form
    22,695.52/31,320.26 = 13,269.55/x
  3. Step 3: Cross multiply
    22,695.52x = 31,320.26 × 13,269.55
  4. Step 4: Simplify right side
    22,695.52x = 415,605,756.08
  5. Step 5: Solve for x
    x = 415,605,756.08/22,695.52
  6. Step 6: Final answer
    x = 18,312.24

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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.