Home / 14,530.41-21,774.06-8,287.20

Finding the Fourth Proportional to 14,530.41, 21,774.06 and 8,287.20

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Solution

The fourth proportional to 14,530.41, 21,774.06 and 8,287.20 is: 12,418.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,530.41 : 21,774.06 = 8,287.20 : x
  2. Step 2: Convert to fraction form
    14,530.41/21,774.06 = 8,287.20/x
  3. Step 3: Cross multiply
    14,530.41x = 21,774.06 × 8,287.20
  4. Step 4: Simplify right side
    14,530.41x = 180,445,990.03
  5. Step 5: Solve for x
    x = 180,445,990.03/14,530.41
  6. Step 6: Final answer
    x = 12,418.51

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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.