Home / 10,288.60-14,198.56-6,307.44

Finding the Fourth Proportional to 10,288.60, 14,198.56 and 6,307.44

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Solution

The fourth proportional to 10,288.60, 14,198.56 and 6,307.44 is: 8,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.60 : 14,198.56 = 6,307.44 : x
  2. Step 2: Convert to fraction form
    10,288.60/14,198.56 = 6,307.44/x
  3. Step 3: Cross multiply
    10,288.60x = 14,198.56 × 6,307.44
  4. Step 4: Simplify right side
    10,288.60x = 89,556,565.29
  5. Step 5: Solve for x
    x = 89,556,565.29/10,288.60
  6. Step 6: Final answer
    x = 8,704.45

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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.