Home / 9,148.19-12,624.75-5,169.22

Finding the Fourth Proportional to 9,148.19, 12,624.75 and 5,169.22

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Solution

The fourth proportional to 9,148.19, 12,624.75 and 5,169.22 is: 7,133.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.19 : 12,624.75 = 5,169.22 : x
  2. Step 2: Convert to fraction form
    9,148.19/12,624.75 = 5,169.22/x
  3. Step 3: Cross multiply
    9,148.19x = 12,624.75 × 5,169.22
  4. Step 4: Simplify right side
    9,148.19x = 65,260,110.20
  5. Step 5: Solve for x
    x = 65,260,110.20/9,148.19
  6. Step 6: Final answer
    x = 7,133.66

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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.