Home / 12,001.36-16,557.30-7,751.26

Finding the Fourth Proportional to 12,001.36, 16,557.30 and 7,751.26

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Solution

The fourth proportional to 12,001.36, 16,557.30 and 7,751.26 is: 10,693.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001.36 : 16,557.30 = 7,751.26 : x
  2. Step 2: Convert to fraction form
    12,001.36/16,557.30 = 7,751.26/x
  3. Step 3: Cross multiply
    12,001.36x = 16,557.30 × 7,751.26
  4. Step 4: Simplify right side
    12,001.36x = 128,339,937.20
  5. Step 5: Solve for x
    x = 128,339,937.20/12,001.36
  6. Step 6: Final answer
    x = 10,693.78

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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.