Home / 11,780.25-16,248.57-8,001.30

Finding the Fourth Proportional to 11,780.25, 16,248.57 and 8,001.30

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Solution

The fourth proportional to 11,780.25, 16,248.57 and 8,001.30 is: 11,036.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.25 : 16,248.57 = 8,001.30 : x
  2. Step 2: Convert to fraction form
    11,780.25/16,248.57 = 8,001.30/x
  3. Step 3: Cross multiply
    11,780.25x = 16,248.57 × 8,001.30
  4. Step 4: Simplify right side
    11,780.25x = 130,009,683.14
  5. Step 5: Solve for x
    x = 130,009,683.14/11,780.25
  6. Step 6: Final answer
    x = 11,036.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.