Home / 13,337.97-19,987.76-9,800.19

Finding the Fourth Proportional to 13,337.97, 19,987.76 and 9,800.19

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Solution

The fourth proportional to 13,337.97, 19,987.76 and 9,800.19 is: 14,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.97 : 19,987.76 = 9,800.19 : x
  2. Step 2: Convert to fraction form
    13,337.97/19,987.76 = 9,800.19/x
  3. Step 3: Cross multiply
    13,337.97x = 19,987.76 × 9,800.19
  4. Step 4: Simplify right side
    13,337.97x = 195,883,870.17
  5. Step 5: Solve for x
    x = 195,883,870.17/13,337.97
  6. Step 6: Final answer
    x = 14,686.19

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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.