Home / 18,961.64-28,403.70-9,588.52

Finding the Fourth Proportional to 18,961.64, 28,403.70 and 9,588.52

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Solution

The fourth proportional to 18,961.64, 28,403.70 and 9,588.52 is: 14,363.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,961.64 : 28,403.70 = 9,588.52 : x
  2. Step 2: Convert to fraction form
    18,961.64/28,403.70 = 9,588.52/x
  3. Step 3: Cross multiply
    18,961.64x = 28,403.70 × 9,588.52
  4. Step 4: Simplify right side
    18,961.64x = 272,349,445.52
  5. Step 5: Solve for x
    x = 272,349,445.52/18,961.64
  6. Step 6: Final answer
    x = 14,363.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.