Home / 16,230.48-22,374.72-13,081.20

Finding the Fourth Proportional to 16,230.48, 22,374.72 and 13,081.20

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Solution

The fourth proportional to 16,230.48, 22,374.72 and 13,081.20 is: 18,033.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,230.48 : 22,374.72 = 13,081.20 : x
  2. Step 2: Convert to fraction form
    16,230.48/22,374.72 = 13,081.20/x
  3. Step 3: Cross multiply
    16,230.48x = 22,374.72 × 13,081.20
  4. Step 4: Simplify right side
    16,230.48x = 292,688,187.26
  5. Step 5: Solve for x
    x = 292,688,187.26/16,230.48
  6. Step 6: Final answer
    x = 18,033.24

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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.