Home / 14,343.48-19,788.30-8,757.72

Finding the Fourth Proportional to 14,343.48, 19,788.30 and 8,757.72

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Solution

The fourth proportional to 14,343.48, 19,788.30 and 8,757.72 is: 12,082.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343.48 : 19,788.30 = 8,757.72 : x
  2. Step 2: Convert to fraction form
    14,343.48/19,788.30 = 8,757.72/x
  3. Step 3: Cross multiply
    14,343.48x = 19,788.30 × 8,757.72
  4. Step 4: Simplify right side
    14,343.48x = 173,300,390.68
  5. Step 5: Solve for x
    x = 173,300,390.68/14,343.48
  6. Step 6: Final answer
    x = 12,082.17

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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.