Home / 12,521.06-17,277.88-7,484.28

Finding the Fourth Proportional to 12,521.06, 17,277.88 and 7,484.28

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Solution

The fourth proportional to 12,521.06, 17,277.88 and 7,484.28 is: 10,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521.06 : 17,277.88 = 7,484.28 : x
  2. Step 2: Convert to fraction form
    12,521.06/17,277.88 = 7,484.28/x
  3. Step 3: Cross multiply
    12,521.06x = 17,277.88 × 7,484.28
  4. Step 4: Simplify right side
    12,521.06x = 129,312,491.73
  5. Step 5: Solve for x
    x = 129,312,491.73/12,521.06
  6. Step 6: Final answer
    x = 10,327.60

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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.