Home / 21,043.07-31,559.17-6,248.64

Finding the Fourth Proportional to 21,043.07, 31,559.17 and 6,248.64

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Solution

The fourth proportional to 21,043.07, 31,559.17 and 6,248.64 is: 9,371.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,043.07 : 31,559.17 = 6,248.64 : x
  2. Step 2: Convert to fraction form
    21,043.07/31,559.17 = 6,248.64/x
  3. Step 3: Cross multiply
    21,043.07x = 31,559.17 × 6,248.64
  4. Step 4: Simplify right side
    21,043.07x = 197,201,892.03
  5. Step 5: Solve for x
    x = 197,201,892.03/21,043.07
  6. Step 6: Final answer
    x = 9,371.35

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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.