Home / 21,377.61-32,065.70-9,682.65

Finding the Fourth Proportional to 21,377.61, 32,065.70 and 9,682.65

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Solution

The fourth proportional to 21,377.61, 32,065.70 and 9,682.65 is: 14,523.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,377.61 : 32,065.70 = 9,682.65 : x
  2. Step 2: Convert to fraction form
    21,377.61/32,065.70 = 9,682.65/x
  3. Step 3: Cross multiply
    21,377.61x = 32,065.70 × 9,682.65
  4. Step 4: Simplify right side
    21,377.61x = 310,480,901.69
  5. Step 5: Solve for x
    x = 310,480,901.69/21,377.61
  6. Step 6: Final answer
    x = 14,523.65

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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.