Home / 8,316.38-12,501.30-6,690.98

Finding the Fourth Proportional to 8,316.38, 12,501.30 and 6,690.98

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Solution

The fourth proportional to 8,316.38, 12,501.30 and 6,690.98 is: 10,057.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.38 : 12,501.30 = 6,690.98 : x
  2. Step 2: Convert to fraction form
    8,316.38/12,501.30 = 6,690.98/x
  3. Step 3: Cross multiply
    8,316.38x = 12,501.30 × 6,690.98
  4. Step 4: Simplify right side
    8,316.38x = 83,645,948.27
  5. Step 5: Solve for x
    x = 83,645,948.27/8,316.38
  6. Step 6: Final answer
    x = 10,057.98

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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.