Home / 21,558.38-32,327.12-7,518.06

Finding the Fourth Proportional to 21,558.38, 32,327.12 and 7,518.06

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Solution

The fourth proportional to 21,558.38, 32,327.12 and 7,518.06 is: 11,273.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,558.38 : 32,327.12 = 7,518.06 : x
  2. Step 2: Convert to fraction form
    21,558.38/32,327.12 = 7,518.06/x
  3. Step 3: Cross multiply
    21,558.38x = 32,327.12 × 7,518.06
  4. Step 4: Simplify right side
    21,558.38x = 243,037,227.79
  5. Step 5: Solve for x
    x = 243,037,227.79/21,558.38
  6. Step 6: Final answer
    x = 11,273.45

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1.5x scale

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.