Home / 15,445.01-21,314.06-8,371.46

Finding the Fourth Proportional to 15,445.01, 21,314.06 and 8,371.46

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Solution

The fourth proportional to 15,445.01, 21,314.06 and 8,371.46 is: 11,552.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,445.01 : 21,314.06 = 8,371.46 : x
  2. Step 2: Convert to fraction form
    15,445.01/21,314.06 = 8,371.46/x
  3. Step 3: Cross multiply
    15,445.01x = 21,314.06 × 8,371.46
  4. Step 4: Simplify right side
    15,445.01x = 178,429,652.30
  5. Step 5: Solve for x
    x = 178,429,652.30/15,445.01
  6. Step 6: Final answer
    x = 11,552.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.