Home / 12,998.10-17,937.14-7,332.77

Finding the Fourth Proportional to 12,998.10, 17,937.14 and 7,332.77

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Solution

The fourth proportional to 12,998.10, 17,937.14 and 7,332.77 is: 10,119.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,998.10 : 17,937.14 = 7,332.77 : x
  2. Step 2: Convert to fraction form
    12,998.10/17,937.14 = 7,332.77/x
  3. Step 3: Cross multiply
    12,998.10x = 17,937.14 × 7,332.77
  4. Step 4: Simplify right side
    12,998.10x = 131,528,795.73
  5. Step 5: Solve for x
    x = 131,528,795.73/12,998.10
  6. Step 6: Final answer
    x = 10,119.08

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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.