Home / 10,779.53-16,169.30-2,988.34

Finding the Fourth Proportional to 10,779.53, 16,169.30 and 2,988.34

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Solution

The fourth proportional to 10,779.53, 16,169.30 and 2,988.34 is: 4,482.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.53 : 16,169.30 = 2,988.34 : x
  2. Step 2: Convert to fraction form
    10,779.53/16,169.30 = 2,988.34/x
  3. Step 3: Cross multiply
    10,779.53x = 16,169.30 × 2,988.34
  4. Step 4: Simplify right side
    10,779.53x = 48,319,365.96
  5. Step 5: Solve for x
    x = 48,319,365.96/10,779.53
  6. Step 6: Final answer
    x = 4,482.51

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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.