Home / 21,417.39-32,119.92-7,376.85

Finding the Fourth Proportional to 21,417.39, 32,119.92 and 7,376.85

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Solution

The fourth proportional to 21,417.39, 32,119.92 and 7,376.85 is: 11,063.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,417.39 : 32,119.92 = 7,376.85 : x
  2. Step 2: Convert to fraction form
    21,417.39/32,119.92 = 7,376.85/x
  3. Step 3: Cross multiply
    21,417.39x = 32,119.92 × 7,376.85
  4. Step 4: Simplify right side
    21,417.39x = 236,943,831.85
  5. Step 5: Solve for x
    x = 236,943,831.85/21,417.39
  6. Step 6: Final answer
    x = 11,063.15

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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.