Home / 22,659.39-31,269.93-12,588.76

Finding the Fourth Proportional to 22,659.39, 31,269.93 and 12,588.76

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Solution

The fourth proportional to 22,659.39, 31,269.93 and 12,588.76 is: 17,372.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,659.39 : 31,269.93 = 12,588.76 : x
  2. Step 2: Convert to fraction form
    22,659.39/31,269.93 = 12,588.76/x
  3. Step 3: Cross multiply
    22,659.39x = 31,269.93 × 12,588.76
  4. Step 4: Simplify right side
    22,659.39x = 393,649,643.99
  5. Step 5: Solve for x
    x = 393,649,643.99/22,659.39
  6. Step 6: Final answer
    x = 17,372.47

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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.