Home / 12,886.32-19,333.17-6,314.43

Finding the Fourth Proportional to 12,886.32, 19,333.17 and 6,314.43

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Solution

The fourth proportional to 12,886.32, 19,333.17 and 6,314.43 is: 9,473.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886.32 : 19,333.17 = 6,314.43 : x
  2. Step 2: Convert to fraction form
    12,886.32/19,333.17 = 6,314.43/x
  3. Step 3: Cross multiply
    12,886.32x = 19,333.17 × 6,314.43
  4. Step 4: Simplify right side
    12,886.32x = 122,077,948.64
  5. Step 5: Solve for x
    x = 122,077,948.64/12,886.32
  6. Step 6: Final answer
    x = 9,473.45

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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.