Home / 11,438.19-17,153.78-4,417.65

Finding the Fourth Proportional to 11,438.19, 17,153.78 and 4,417.65

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Solution

The fourth proportional to 11,438.19, 17,153.78 and 4,417.65 is: 6,625.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,438.19 : 17,153.78 = 4,417.65 : x
  2. Step 2: Convert to fraction form
    11,438.19/17,153.78 = 4,417.65/x
  3. Step 3: Cross multiply
    11,438.19x = 17,153.78 × 4,417.65
  4. Step 4: Simplify right side
    11,438.19x = 75,779,374.13
  5. Step 5: Solve for x
    x = 75,779,374.13/11,438.19
  6. Step 6: Final answer
    x = 6,625.12

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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.