Home / 12,532.77-17,296.11-7,155.45

Finding the Fourth Proportional to 12,532.77, 17,296.11 and 7,155.45

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Solution

The fourth proportional to 12,532.77, 17,296.11 and 7,155.45 is: 9,875.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,532.77 : 17,296.11 = 7,155.45 : x
  2. Step 2: Convert to fraction form
    12,532.77/17,296.11 = 7,155.45/x
  3. Step 3: Cross multiply
    12,532.77x = 17,296.11 × 7,155.45
  4. Step 4: Simplify right side
    12,532.77x = 123,761,450.30
  5. Step 5: Solve for x
    x = 123,761,450.30/12,532.77
  6. Step 6: Final answer
    x = 9,875.03

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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.