Home / 14,181.12-21,278.86-5,867.10

Finding the Fourth Proportional to 14,181.12, 21,278.86 and 5,867.10

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Solution

The fourth proportional to 14,181.12, 21,278.86 and 5,867.10 is: 8,803.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.12 : 21,278.86 = 5,867.10 : x
  2. Step 2: Convert to fraction form
    14,181.12/21,278.86 = 5,867.10/x
  3. Step 3: Cross multiply
    14,181.12x = 21,278.86 × 5,867.10
  4. Step 4: Simplify right side
    14,181.12x = 124,845,215.28
  5. Step 5: Solve for x
    x = 124,845,215.28/14,181.12
  6. Step 6: Final answer
    x = 8,803.62

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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.