Home / 10,255.08-14,151.90-5,779.68

Finding the Fourth Proportional to 10,255.08, 14,151.90 and 5,779.68

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Solution

The fourth proportional to 10,255.08, 14,151.90 and 5,779.68 is: 7,975.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.08 : 14,151.90 = 5,779.68 : x
  2. Step 2: Convert to fraction form
    10,255.08/14,151.90 = 5,779.68/x
  3. Step 3: Cross multiply
    10,255.08x = 14,151.90 × 5,779.68
  4. Step 4: Simplify right side
    10,255.08x = 81,793,453.39
  5. Step 5: Solve for x
    x = 81,793,453.39/10,255.08
  6. Step 6: Final answer
    x = 7,975.90

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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.