Home / 14,306.72-19,744.56-8,340.32

Finding the Fourth Proportional to 14,306.72, 19,744.56 and 8,340.32

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Solution

The fourth proportional to 14,306.72, 19,744.56 and 8,340.32 is: 11,510.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,306.72 : 19,744.56 = 8,340.32 : x
  2. Step 2: Convert to fraction form
    14,306.72/19,744.56 = 8,340.32/x
  3. Step 3: Cross multiply
    14,306.72x = 19,744.56 × 8,340.32
  4. Step 4: Simplify right side
    14,306.72x = 164,675,948.66
  5. Step 5: Solve for x
    x = 164,675,948.66/14,306.72
  6. Step 6: Final answer
    x = 11,510.39

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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.