Home / 14,207.30-21,320.55-7,967.30

Finding the Fourth Proportional to 14,207.30, 21,320.55 and 7,967.30

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Solution

The fourth proportional to 14,207.30, 21,320.55 and 7,967.30 is: 11,956.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,207.30 : 21,320.55 = 7,967.30 : x
  2. Step 2: Convert to fraction form
    14,207.30/21,320.55 = 7,967.30/x
  3. Step 3: Cross multiply
    14,207.30x = 21,320.55 × 7,967.30
  4. Step 4: Simplify right side
    14,207.30x = 169,867,218.02
  5. Step 5: Solve for x
    x = 169,867,218.02/14,207.30
  6. Step 6: Final answer
    x = 11,956.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.