Home / 12,769.08-17,621.75-7,026.76

Finding the Fourth Proportional to 12,769.08, 17,621.75 and 7,026.76

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Solution

The fourth proportional to 12,769.08, 17,621.75 and 7,026.76 is: 9,697.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769.08 : 17,621.75 = 7,026.76 : x
  2. Step 2: Convert to fraction form
    12,769.08/17,621.75 = 7,026.76/x
  3. Step 3: Cross multiply
    12,769.08x = 17,621.75 × 7,026.76
  4. Step 4: Simplify right side
    12,769.08x = 123,823,872.40
  5. Step 5: Solve for x
    x = 123,823,872.40/12,769.08
  6. Step 6: Final answer
    x = 9,697.16

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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.