Home / 14,122.32-19,480.70-8,807.91

Finding the Fourth Proportional to 14,122.32, 19,480.70 and 8,807.91

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Solution

The fourth proportional to 14,122.32, 19,480.70 and 8,807.91 is: 12,149.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.32 : 19,480.70 = 8,807.91 : x
  2. Step 2: Convert to fraction form
    14,122.32/19,480.70 = 8,807.91/x
  3. Step 3: Cross multiply
    14,122.32x = 19,480.70 × 8,807.91
  4. Step 4: Simplify right side
    14,122.32x = 171,584,252.34
  5. Step 5: Solve for x
    x = 171,584,252.34/14,122.32
  6. Step 6: Final answer
    x = 12,149.86

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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.