Home / 10,633.80-14,676.18-6,386.76

Finding the Fourth Proportional to 10,633.80, 14,676.18 and 6,386.76

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Solution

The fourth proportional to 10,633.80, 14,676.18 and 6,386.76 is: 8,814.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,633.80 : 14,676.18 = 6,386.76 : x
  2. Step 2: Convert to fraction form
    10,633.80/14,676.18 = 6,386.76/x
  3. Step 3: Cross multiply
    10,633.80x = 14,676.18 × 6,386.76
  4. Step 4: Simplify right side
    10,633.80x = 93,733,239.38
  5. Step 5: Solve for x
    x = 93,733,239.38/10,633.80
  6. Step 6: Final answer
    x = 8,814.65

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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.