Home / 13,250.36-18,290.70-7,944.15

Finding the Fourth Proportional to 13,250.36, 18,290.70 and 7,944.15

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Solution

The fourth proportional to 13,250.36, 18,290.70 and 7,944.15 is: 10,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.36 : 18,290.70 = 7,944.15 : x
  2. Step 2: Convert to fraction form
    13,250.36/18,290.70 = 7,944.15/x
  3. Step 3: Cross multiply
    13,250.36x = 18,290.70 × 7,944.15
  4. Step 4: Simplify right side
    13,250.36x = 145,304,064.41
  5. Step 5: Solve for x
    x = 145,304,064.41/13,250.36
  6. Step 6: Final answer
    x = 10,966.05

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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.