Home / 12,959.60-19,466.12-8,531.06

Finding the Fourth Proportional to 12,959.60, 19,466.12 and 8,531.06

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Solution

The fourth proportional to 12,959.60, 19,466.12 and 8,531.06 is: 12,814.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,959.60 : 19,466.12 = 8,531.06 : x
  2. Step 2: Convert to fraction form
    12,959.60/19,466.12 = 8,531.06/x
  3. Step 3: Cross multiply
    12,959.60x = 19,466.12 × 8,531.06
  4. Step 4: Simplify right side
    12,959.60x = 166,066,561.68
  5. Step 5: Solve for x
    x = 166,066,561.68/12,959.60
  6. Step 6: Final answer
    x = 12,814.18

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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.