Home / 14,340.65-19,788.30-8,371.45

Finding the Fourth Proportional to 14,340.65, 19,788.30 and 8,371.45

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Solution

The fourth proportional to 14,340.65, 19,788.30 and 8,371.45 is: 11,551.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340.65 : 19,788.30 = 8,371.45 : x
  2. Step 2: Convert to fraction form
    14,340.65/19,788.30 = 8,371.45/x
  3. Step 3: Cross multiply
    14,340.65x = 19,788.30 × 8,371.45
  4. Step 4: Simplify right side
    14,340.65x = 165,656,788.77
  5. Step 5: Solve for x
    x = 165,656,788.77/14,340.65
  6. Step 6: Final answer
    x = 11,551.56

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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.