Home / 8,339.18-11,459.91-7,953.70

Finding the Fourth Proportional to 8,339.18, 11,459.91 and 7,953.70

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Solution

The fourth proportional to 8,339.18, 11,459.91 and 7,953.70 is: 10,930.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.18 : 11,459.91 = 7,953.70 : x
  2. Step 2: Convert to fraction form
    8,339.18/11,459.91 = 7,953.70/x
  3. Step 3: Cross multiply
    8,339.18x = 11,459.91 × 7,953.70
  4. Step 4: Simplify right side
    8,339.18x = 91,148,646.40
  5. Step 5: Solve for x
    x = 91,148,646.40/8,339.18
  6. Step 6: Final answer
    x = 10,930.17

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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.