Home / 10,779.24-16,168.92-2,988.12

Finding the Fourth Proportional to 10,779.24, 16,168.92 and 2,988.12

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Solution

The fourth proportional to 10,779.24, 16,168.92 and 2,988.12 is: 4,482.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.24 : 16,168.92 = 2,988.12 : x
  2. Step 2: Convert to fraction form
    10,779.24/16,168.92 = 2,988.12/x
  3. Step 3: Cross multiply
    10,779.24x = 16,168.92 × 2,988.12
  4. Step 4: Simplify right side
    10,779.24x = 48,314,673.23
  5. Step 5: Solve for x
    x = 48,314,673.23/10,779.24
  6. Step 6: Final answer
    x = 4,482.20

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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.