Home / 22,679.60-31,298.37-12,607.66

Finding the Fourth Proportional to 22,679.60, 31,298.37 and 12,607.66

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Solution

The fourth proportional to 22,679.60, 31,298.37 and 12,607.66 is: 17,398.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.60 : 31,298.37 = 12,607.66 : x
  2. Step 2: Convert to fraction form
    22,679.60/31,298.37 = 12,607.66/x
  3. Step 3: Cross multiply
    22,679.60x = 31,298.37 × 12,607.66
  4. Step 4: Simplify right side
    22,679.60x = 394,599,051.02
  5. Step 5: Solve for x
    x = 394,599,051.02/22,679.60
  6. Step 6: Final answer
    x = 17,398.85

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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.