Home / 13,250.98-18,302.39-9,660.25

Finding the Fourth Proportional to 13,250.98, 18,302.39 and 9,660.25

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Solution

The fourth proportional to 13,250.98, 18,302.39 and 9,660.25 is: 13,342.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.98 : 18,302.39 = 9,660.25 : x
  2. Step 2: Convert to fraction form
    13,250.98/18,302.39 = 9,660.25/x
  3. Step 3: Cross multiply
    13,250.98x = 18,302.39 × 9,660.25
  4. Step 4: Simplify right side
    13,250.98x = 176,805,663.00
  5. Step 5: Solve for x
    x = 176,805,663.00/13,250.98
  6. Step 6: Final answer
    x = 13,342.84

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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.