Home / 13,908.35-19,193.40-7,534.80

Finding the Fourth Proportional to 13,908.35, 19,193.40 and 7,534.80

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Solution

The fourth proportional to 13,908.35, 19,193.40 and 7,534.80 is: 10,397.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908.35 : 19,193.40 = 7,534.80 : x
  2. Step 2: Convert to fraction form
    13,908.35/19,193.40 = 7,534.80/x
  3. Step 3: Cross multiply
    13,908.35x = 19,193.40 × 7,534.80
  4. Step 4: Simplify right side
    13,908.35x = 144,618,296.68
  5. Step 5: Solve for x
    x = 144,618,296.68/13,908.35
  6. Step 6: Final answer
    x = 10,397.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.