Home / 14,239.05-19,648.35-8,269.53

Finding the Fourth Proportional to 14,239.05, 19,648.35 and 8,269.53

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Solution

The fourth proportional to 14,239.05, 19,648.35 and 8,269.53 is: 11,411.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.05 : 19,648.35 = 8,269.53 : x
  2. Step 2: Convert to fraction form
    14,239.05/19,648.35 = 8,269.53/x
  3. Step 3: Cross multiply
    14,239.05x = 19,648.35 × 8,269.53
  4. Step 4: Simplify right side
    14,239.05x = 162,482,619.78
  5. Step 5: Solve for x
    x = 162,482,619.78/14,239.05
  6. Step 6: Final answer
    x = 11,411.06

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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.