Home / 19,266.17-28,899.13-9,908.80

Finding the Fourth Proportional to 19,266.17, 28,899.13 and 9,908.80

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Solution

The fourth proportional to 19,266.17, 28,899.13 and 9,908.80 is: 14,863.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,266.17 : 28,899.13 = 9,908.80 : x
  2. Step 2: Convert to fraction form
    19,266.17/28,899.13 = 9,908.80/x
  3. Step 3: Cross multiply
    19,266.17x = 28,899.13 × 9,908.80
  4. Step 4: Simplify right side
    19,266.17x = 286,355,620.90
  5. Step 5: Solve for x
    x = 286,355,620.90/19,266.17
  6. Step 6: Final answer
    x = 14,863.13

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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.