Home / 12,864.66-19,290.84-6,283.16

Finding the Fourth Proportional to 12,864.66, 19,290.84 and 6,283.16

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Solution

The fourth proportional to 12,864.66, 19,290.84 and 6,283.16 is: 9,421.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864.66 : 19,290.84 = 6,283.16 : x
  2. Step 2: Convert to fraction form
    12,864.66/19,290.84 = 6,283.16/x
  3. Step 3: Cross multiply
    12,864.66x = 19,290.84 × 6,283.16
  4. Step 4: Simplify right side
    12,864.66x = 121,207,434.25
  5. Step 5: Solve for x
    x = 121,207,434.25/12,864.66
  6. Step 6: Final answer
    x = 9,421.74

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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.