Home / 13,261.23-18,281.24-9,269.97

Finding the Fourth Proportional to 13,261.23, 18,281.24 and 9,269.97

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Solution

The fourth proportional to 13,261.23, 18,281.24 and 9,269.97 is: 12,779.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.23 : 18,281.24 = 9,269.97 : x
  2. Step 2: Convert to fraction form
    13,261.23/18,281.24 = 9,269.97/x
  3. Step 3: Cross multiply
    13,261.23x = 18,281.24 × 9,269.97
  4. Step 4: Simplify right side
    13,261.23x = 169,466,500.01
  5. Step 5: Solve for x
    x = 169,466,500.01/13,261.23
  6. Step 6: Final answer
    x = 12,779.09

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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.