Home / 12,886.59-19,332.91-4,001.47

Finding the Fourth Proportional to 12,886.59, 19,332.91 and 4,001.47

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Solution

The fourth proportional to 12,886.59, 19,332.91 and 4,001.47 is: 6,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886.59 : 19,332.91 = 4,001.47 : x
  2. Step 2: Convert to fraction form
    12,886.59/19,332.91 = 4,001.47/x
  3. Step 3: Cross multiply
    12,886.59x = 19,332.91 × 4,001.47
  4. Step 4: Simplify right side
    12,886.59x = 77,360,016.05
  5. Step 5: Solve for x
    x = 77,360,016.05/12,886.59
  6. Step 6: Final answer
    x = 6,003.14

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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.