Home / 12,886.25-19,327.10-5,864.62

Finding the Fourth Proportional to 12,886.25, 19,327.10 and 5,864.62

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Solution

The fourth proportional to 12,886.25, 19,327.10 and 5,864.62 is: 8,795.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886.25 : 19,327.10 = 5,864.62 : x
  2. Step 2: Convert to fraction form
    12,886.25/19,327.10 = 5,864.62/x
  3. Step 3: Cross multiply
    12,886.25x = 19,327.10 × 5,864.62
  4. Step 4: Simplify right side
    12,886.25x = 113,346,097.20
  5. Step 5: Solve for x
    x = 113,346,097.20/12,886.25
  6. Step 6: Final answer
    x = 8,795.89

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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.