Home / 10,988.23-16,482.12-2,668.29

Finding the Fourth Proportional to 10,988.23, 16,482.12 and 2,668.29

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Solution

The fourth proportional to 10,988.23, 16,482.12 and 2,668.29 is: 4,002.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.23 : 16,482.12 = 2,668.29 : x
  2. Step 2: Convert to fraction form
    10,988.23/16,482.12 = 2,668.29/x
  3. Step 3: Cross multiply
    10,988.23x = 16,482.12 × 2,668.29
  4. Step 4: Simplify right side
    10,988.23x = 43,979,108.13
  5. Step 5: Solve for x
    x = 43,979,108.13/10,988.23
  6. Step 6: Final answer
    x = 4,002.38

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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.