Home / 19,789.17-29,681.01-4,997.18

Finding the Fourth Proportional to 19,789.17, 29,681.01 and 4,997.18

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Solution

The fourth proportional to 19,789.17, 29,681.01 and 4,997.18 is: 7,495.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789.17 : 29,681.01 = 4,997.18 : x
  2. Step 2: Convert to fraction form
    19,789.17/29,681.01 = 4,997.18/x
  3. Step 3: Cross multiply
    19,789.17x = 29,681.01 × 4,997.18
  4. Step 4: Simplify right side
    19,789.17x = 148,321,201.15
  5. Step 5: Solve for x
    x = 148,321,201.15/19,789.17
  6. Step 6: Final answer
    x = 7,495.07

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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.