Home / 22,697.68-31,322.86-12,626.76

Finding the Fourth Proportional to 22,697.68, 31,322.86 and 12,626.76

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Solution

The fourth proportional to 22,697.68, 31,322.86 and 12,626.76 is: 17,424.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,697.68 : 31,322.86 = 12,626.76 : x
  2. Step 2: Convert to fraction form
    22,697.68/31,322.86 = 12,626.76/x
  3. Step 3: Cross multiply
    22,697.68x = 31,322.86 × 12,626.76
  4. Step 4: Simplify right side
    22,697.68x = 395,506,235.73
  5. Step 5: Solve for x
    x = 395,506,235.73/22,697.68
  6. Step 6: Final answer
    x = 17,424.96

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Half scale
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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.