Home / 12,537.18-17,305.12-7,235.46

Finding the Fourth Proportional to 12,537.18, 17,305.12 and 7,235.46

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Solution

The fourth proportional to 12,537.18, 17,305.12 and 7,235.46 is: 9,987.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.18 : 17,305.12 = 7,235.46 : x
  2. Step 2: Convert to fraction form
    12,537.18/17,305.12 = 7,235.46/x
  3. Step 3: Cross multiply
    12,537.18x = 17,305.12 × 7,235.46
  4. Step 4: Simplify right side
    12,537.18x = 125,210,503.56
  5. Step 5: Solve for x
    x = 125,210,503.56/12,537.18
  6. Step 6: Final answer
    x = 9,987.13

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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.