Home / 12,389.01-17,096.96-6,723.81

Finding the Fourth Proportional to 12,389.01, 17,096.96 and 6,723.81

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Solution

The fourth proportional to 12,389.01, 17,096.96 and 6,723.81 is: 9,278.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,389.01 : 17,096.96 = 6,723.81 : x
  2. Step 2: Convert to fraction form
    12,389.01/17,096.96 = 6,723.81/x
  3. Step 3: Cross multiply
    12,389.01x = 17,096.96 × 6,723.81
  4. Step 4: Simplify right side
    12,389.01x = 114,956,638.10
  5. Step 5: Solve for x
    x = 114,956,638.10/12,389.01
  6. Step 6: Final answer
    x = 9,278.92

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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.