Home / 14,259.20-19,677.12-8,291.04

Finding the Fourth Proportional to 14,259.20, 19,677.12 and 8,291.04

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Solution

The fourth proportional to 14,259.20, 19,677.12 and 8,291.04 is: 11,441.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259.20 : 19,677.12 = 8,291.04 : x
  2. Step 2: Convert to fraction form
    14,259.20/19,677.12 = 8,291.04/x
  3. Step 3: Cross multiply
    14,259.20x = 19,677.12 × 8,291.04
  4. Step 4: Simplify right side
    14,259.20x = 163,143,789.00
  5. Step 5: Solve for x
    x = 163,143,789.00/14,259.20
  6. Step 6: Final answer
    x = 11,441.30

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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.