Home / 21,618.91-32,427.19-6,626.01

Finding the Fourth Proportional to 21,618.91, 32,427.19 and 6,626.01

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Solution

The fourth proportional to 21,618.91, 32,427.19 and 6,626.01 is: 9,938.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,618.91 : 32,427.19 = 6,626.01 : x
  2. Step 2: Convert to fraction form
    21,618.91/32,427.19 = 6,626.01/x
  3. Step 3: Cross multiply
    21,618.91x = 32,427.19 × 6,626.01
  4. Step 4: Simplify right side
    21,618.91x = 214,862,885.21
  5. Step 5: Solve for x
    x = 214,862,885.21/21,618.91
  6. Step 6: Final answer
    x = 9,938.65

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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.