Home / 21,296.01-31,947.45-6,501.47

Finding the Fourth Proportional to 21,296.01, 31,947.45 and 6,501.47

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Solution

The fourth proportional to 21,296.01, 31,947.45 and 6,501.47 is: 9,753.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,296.01 : 31,947.45 = 6,501.47 : x
  2. Step 2: Convert to fraction form
    21,296.01/31,947.45 = 6,501.47/x
  3. Step 3: Cross multiply
    21,296.01x = 31,947.45 × 6,501.47
  4. Step 4: Simplify right side
    21,296.01x = 207,705,387.75
  5. Step 5: Solve for x
    x = 207,705,387.75/21,296.01
  6. Step 6: Final answer
    x = 9,753.25

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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.