Home / 12,703.19-17,531.49-7,398.50

Finding the Fourth Proportional to 12,703.19, 17,531.49 and 7,398.50

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Solution

The fourth proportional to 12,703.19, 17,531.49 and 7,398.50 is: 10,210.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703.19 : 17,531.49 = 7,398.50 : x
  2. Step 2: Convert to fraction form
    12,703.19/17,531.49 = 7,398.50/x
  3. Step 3: Cross multiply
    12,703.19x = 17,531.49 × 7,398.50
  4. Step 4: Simplify right side
    12,703.19x = 129,706,728.77
  5. Step 5: Solve for x
    x = 129,706,728.77/12,703.19
  6. Step 6: Final answer
    x = 10,210.56

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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.