Home / 19,838.46-29,731.53-9,306.84

Finding the Fourth Proportional to 19,838.46, 29,731.53 and 9,306.84

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Solution

The fourth proportional to 19,838.46, 29,731.53 and 9,306.84 is: 13,947.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.46 : 29,731.53 = 9,306.84 : x
  2. Step 2: Convert to fraction form
    19,838.46/29,731.53 = 9,306.84/x
  3. Step 3: Cross multiply
    19,838.46x = 29,731.53 × 9,306.84
  4. Step 4: Simplify right side
    19,838.46x = 276,706,592.67
  5. Step 5: Solve for x
    x = 276,706,592.67/19,838.46
  6. Step 6: Final answer
    x = 13,947.99

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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.