Home / 8,985.71-13,462.14-6,514.40

Finding the Fourth Proportional to 8,985.71, 13,462.14 and 6,514.40

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Solution

The fourth proportional to 8,985.71, 13,462.14 and 6,514.40 is: 9,759.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,985.71 : 13,462.14 = 6,514.40 : x
  2. Step 2: Convert to fraction form
    8,985.71/13,462.14 = 6,514.40/x
  3. Step 3: Cross multiply
    8,985.71x = 13,462.14 × 6,514.40
  4. Step 4: Simplify right side
    8,985.71x = 87,697,764.82
  5. Step 5: Solve for x
    x = 87,697,764.82/8,985.71
  6. Step 6: Final answer
    x = 9,759.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.