Home / 21,484.47-32,217.19-11,486.79

Finding the Fourth Proportional to 21,484.47, 32,217.19 and 11,486.79

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Solution

The fourth proportional to 21,484.47, 32,217.19 and 11,486.79 is: 17,225.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484.47 : 32,217.19 = 11,486.79 : x
  2. Step 2: Convert to fraction form
    21,484.47/32,217.19 = 11,486.79/x
  3. Step 3: Cross multiply
    21,484.47x = 32,217.19 × 11,486.79
  4. Step 4: Simplify right side
    21,484.47x = 370,072,095.92
  5. Step 5: Solve for x
    x = 370,072,095.92/21,484.47
  6. Step 6: Final answer
    x = 17,225.10

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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.