Home / 13,779.02-20,658.65-5,773.49

Finding the Fourth Proportional to 13,779.02, 20,658.65 and 5,773.49

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Solution

The fourth proportional to 13,779.02, 20,658.65 and 5,773.49 is: 8,656.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,779.02 : 20,658.65 = 5,773.49 : x
  2. Step 2: Convert to fraction form
    13,779.02/20,658.65 = 5,773.49/x
  3. Step 3: Cross multiply
    13,779.02x = 20,658.65 × 5,773.49
  4. Step 4: Simplify right side
    13,779.02x = 119,272,420.33
  5. Step 5: Solve for x
    x = 119,272,420.33/13,779.02
  6. Step 6: Final answer
    x = 8,656.09

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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.