Home / 21,045.52-31,569.99-6,254.45

Finding the Fourth Proportional to 21,045.52, 31,569.99 and 6,254.45

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Solution

The fourth proportional to 21,045.52, 31,569.99 and 6,254.45 is: 9,382.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,045.52 : 31,569.99 = 6,254.45 : x
  2. Step 2: Convert to fraction form
    21,045.52/31,569.99 = 6,254.45/x
  3. Step 3: Cross multiply
    21,045.52x = 31,569.99 × 6,254.45
  4. Step 4: Simplify right side
    21,045.52x = 197,452,923.96
  5. Step 5: Solve for x
    x = 197,452,923.96/21,045.52
  6. Step 6: Final answer
    x = 9,382.18

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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.