Home / 13,908.60-19,193.74-7,535.05

Finding the Fourth Proportional to 13,908.60, 19,193.74 and 7,535.05

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Solution

The fourth proportional to 13,908.60, 19,193.74 and 7,535.05 is: 10,398.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908.60 : 19,193.74 = 7,535.05 : x
  2. Step 2: Convert to fraction form
    13,908.60/19,193.74 = 7,535.05/x
  3. Step 3: Cross multiply
    13,908.60x = 19,193.74 × 7,535.05
  4. Step 4: Simplify right side
    13,908.60x = 144,625,694.62
  5. Step 5: Solve for x
    x = 144,625,694.62/13,908.60
  6. Step 6: Final answer
    x = 10,398.29

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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.