Home / 10,666.67-14,720.26-5,886.70

Finding the Fourth Proportional to 10,666.67, 14,720.26 and 5,886.70

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Solution

The fourth proportional to 10,666.67, 14,720.26 and 5,886.70 is: 8,123.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.67 : 14,720.26 = 5,886.70 : x
  2. Step 2: Convert to fraction form
    10,666.67/14,720.26 = 5,886.70/x
  3. Step 3: Cross multiply
    10,666.67x = 14,720.26 × 5,886.70
  4. Step 4: Simplify right side
    10,666.67x = 86,653,680.94
  5. Step 5: Solve for x
    x = 86,653,680.94/10,666.67
  6. Step 6: Final answer
    x = 8,123.78

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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.