Home / 14,948.45-20,479.46-14,387.93

Finding the Fourth Proportional to 14,948.45, 20,479.46 and 14,387.93

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Solution

The fourth proportional to 14,948.45, 20,479.46 and 14,387.93 is: 19,711.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,948.45 : 20,479.46 = 14,387.93 : x
  2. Step 2: Convert to fraction form
    14,948.45/20,479.46 = 14,387.93/x
  3. Step 3: Cross multiply
    14,948.45x = 20,479.46 × 14,387.93
  4. Step 4: Simplify right side
    14,948.45x = 294,656,862.58
  5. Step 5: Solve for x
    x = 294,656,862.58/14,948.45
  6. Step 6: Final answer
    x = 19,711.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.