Home / 16,151.55-22,289.62-9,779.31

Finding the Fourth Proportional to 16,151.55, 22,289.62 and 9,779.31

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Solution

The fourth proportional to 16,151.55, 22,289.62 and 9,779.31 is: 13,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,151.55 : 22,289.62 = 9,779.31 : x
  2. Step 2: Convert to fraction form
    16,151.55/22,289.62 = 9,779.31/x
  3. Step 3: Cross multiply
    16,151.55x = 22,289.62 × 9,779.31
  4. Step 4: Simplify right side
    16,151.55x = 217,977,032.40
  5. Step 5: Solve for x
    x = 217,977,032.40/16,151.55
  6. Step 6: Final answer
    x = 13,495.73

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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.