Home / 14,321.93-21,490.72-5,557.19

Finding the Fourth Proportional to 14,321.93, 21,490.72 and 5,557.19

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Solution

The fourth proportional to 14,321.93, 21,490.72 and 5,557.19 is: 8,338.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.93 : 21,490.72 = 5,557.19 : x
  2. Step 2: Convert to fraction form
    14,321.93/21,490.72 = 5,557.19/x
  3. Step 3: Cross multiply
    14,321.93x = 21,490.72 × 5,557.19
  4. Step 4: Simplify right side
    14,321.93x = 119,427,892.93
  5. Step 5: Solve for x
    x = 119,427,892.93/14,321.93
  6. Step 6: Final answer
    x = 8,338.82

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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.