Home / 13,235.47-18,265.23-7,570.73

Finding the Fourth Proportional to 13,235.47, 18,265.23 and 7,570.73

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Solution

The fourth proportional to 13,235.47, 18,265.23 and 7,570.73 is: 10,447.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235.47 : 18,265.23 = 7,570.73 : x
  2. Step 2: Convert to fraction form
    13,235.47/18,265.23 = 7,570.73/x
  3. Step 3: Cross multiply
    13,235.47x = 18,265.23 × 7,570.73
  4. Step 4: Simplify right side
    13,235.47x = 138,281,170.38
  5. Step 5: Solve for x
    x = 138,281,170.38/13,235.47
  6. Step 6: Final answer
    x = 10,447.77

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Half scale
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Double scale
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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.