Home / 21,501.18-32,242.05-11,120.22

Finding the Fourth Proportional to 21,501.18, 32,242.05 and 11,120.22

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Solution

The fourth proportional to 21,501.18, 32,242.05 and 11,120.22 is: 16,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,501.18 : 32,242.05 = 11,120.22 : x
  2. Step 2: Convert to fraction form
    21,501.18/32,242.05 = 11,120.22/x
  3. Step 3: Cross multiply
    21,501.18x = 32,242.05 × 11,120.22
  4. Step 4: Simplify right side
    21,501.18x = 358,538,689.25
  5. Step 5: Solve for x
    x = 358,538,689.25/21,501.18
  6. Step 6: Final answer
    x = 16,675.30

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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.