Home / 10,666.11-14,723.95-6,891.12

Finding the Fourth Proportional to 10,666.11, 14,723.95 and 6,891.12

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Solution

The fourth proportional to 10,666.11, 14,723.95 and 6,891.12 is: 9,512.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.11 : 14,723.95 = 6,891.12 : x
  2. Step 2: Convert to fraction form
    10,666.11/14,723.95 = 6,891.12/x
  3. Step 3: Cross multiply
    10,666.11x = 14,723.95 × 6,891.12
  4. Step 4: Simplify right side
    10,666.11x = 101,464,506.32
  5. Step 5: Solve for x
    x = 101,464,506.32/10,666.11
  6. Step 6: Final answer
    x = 9,512.79

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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.