Home / 12,077.45-16,647.62-9,521.04

Finding the Fourth Proportional to 12,077.45, 16,647.62 and 9,521.04

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Solution

The fourth proportional to 12,077.45, 16,647.62 and 9,521.04 is: 13,123.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,077.45 : 16,647.62 = 9,521.04 : x
  2. Step 2: Convert to fraction form
    12,077.45/16,647.62 = 9,521.04/x
  3. Step 3: Cross multiply
    12,077.45x = 16,647.62 × 9,521.04
  4. Step 4: Simplify right side
    12,077.45x = 158,502,655.92
  5. Step 5: Solve for x
    x = 158,502,655.92/12,077.45
  6. Step 6: Final answer
    x = 13,123.85

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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.