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Finding the Fourth Proportional to 18,058.08, 24,917.04 and 11,347.68

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Solution

The fourth proportional to 18,058.08, 24,917.04 and 11,347.68 is: 15,657.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,058.08 : 24,917.04 = 11,347.68 : x
  2. Step 2: Convert to fraction form
    18,058.08/24,917.04 = 11,347.68/x
  3. Step 3: Cross multiply
    18,058.08x = 24,917.04 × 11,347.68
  4. Step 4: Simplify right side
    18,058.08x = 282,750,596.47
  5. Step 5: Solve for x
    x = 282,750,596.47/18,058.08
  6. Step 6: Final answer
    x = 15,657.84

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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.