Home / 21,581.68-32,360.36-6,586.16

Finding the Fourth Proportional to 21,581.68, 32,360.36 and 6,586.16

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Solution

The fourth proportional to 21,581.68, 32,360.36 and 6,586.16 is: 9,875.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581.68 : 32,360.36 = 6,586.16 : x
  2. Step 2: Convert to fraction form
    21,581.68/32,360.36 = 6,586.16/x
  3. Step 3: Cross multiply
    21,581.68x = 32,360.36 × 6,586.16
  4. Step 4: Simplify right side
    21,581.68x = 213,130,508.62
  5. Step 5: Solve for x
    x = 213,130,508.62/21,581.68
  6. Step 6: Final answer
    x = 9,875.53

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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.