Home / 10,908.04-15,052.68-6,666.19

Finding the Fourth Proportional to 10,908.04, 15,052.68 and 6,666.19

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Solution

The fourth proportional to 10,908.04, 15,052.68 and 6,666.19 is: 9,199.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.04 : 15,052.68 = 6,666.19 : x
  2. Step 2: Convert to fraction form
    10,908.04/15,052.68 = 6,666.19/x
  3. Step 3: Cross multiply
    10,908.04x = 15,052.68 × 6,666.19
  4. Step 4: Simplify right side
    10,908.04x = 100,343,991.56
  5. Step 5: Solve for x
    x = 100,343,991.56/10,908.04
  6. Step 6: Final answer
    x = 9,199.09

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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.