Home / 16,118.79-22,244.38-9,045.65

Finding the Fourth Proportional to 16,118.79, 22,244.38 and 9,045.65

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Solution

The fourth proportional to 16,118.79, 22,244.38 and 9,045.65 is: 12,483.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,118.79 : 22,244.38 = 9,045.65 : x
  2. Step 2: Convert to fraction form
    16,118.79/22,244.38 = 9,045.65/x
  3. Step 3: Cross multiply
    16,118.79x = 22,244.38 × 9,045.65
  4. Step 4: Simplify right side
    16,118.79x = 201,214,775.11
  5. Step 5: Solve for x
    x = 201,214,775.11/16,118.79
  6. Step 6: Final answer
    x = 12,483.24

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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.