Home / 14,382.72-19,848.24-9,079.92

Finding the Fourth Proportional to 14,382.72, 19,848.24 and 9,079.92

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Solution

The fourth proportional to 14,382.72, 19,848.24 and 9,079.92 is: 12,530.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,382.72 : 19,848.24 = 9,079.92 : x
  2. Step 2: Convert to fraction form
    14,382.72/19,848.24 = 9,079.92/x
  3. Step 3: Cross multiply
    14,382.72x = 19,848.24 × 9,079.92
  4. Step 4: Simplify right side
    14,382.72x = 180,220,431.34
  5. Step 5: Solve for x
    x = 180,220,431.34/14,382.72
  6. Step 6: Final answer
    x = 12,530.34

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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.