Home / 19,948.04-29,906.18-9,947.31

Finding the Fourth Proportional to 19,948.04, 29,906.18 and 9,947.31

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Solution

The fourth proportional to 19,948.04, 29,906.18 and 9,947.31 is: 14,913.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.04 : 29,906.18 = 9,947.31 : x
  2. Step 2: Convert to fraction form
    19,948.04/29,906.18 = 9,947.31/x
  3. Step 3: Cross multiply
    19,948.04x = 29,906.18 × 9,947.31
  4. Step 4: Simplify right side
    19,948.04x = 297,485,918.79
  5. Step 5: Solve for x
    x = 297,485,918.79/19,948.04
  6. Step 6: Final answer
    x = 14,913.04

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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.