Home / 12,322.08-18,475.52-5,306.56

Finding the Fourth Proportional to 12,322.08, 18,475.52 and 5,306.56

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Solution

The fourth proportional to 12,322.08, 18,475.52 and 5,306.56 is: 7,956.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322.08 : 18,475.52 = 5,306.56 : x
  2. Step 2: Convert to fraction form
    12,322.08/18,475.52 = 5,306.56/x
  3. Step 3: Cross multiply
    12,322.08x = 18,475.52 × 5,306.56
  4. Step 4: Simplify right side
    12,322.08x = 98,041,455.41
  5. Step 5: Solve for x
    x = 98,041,455.41/12,322.08
  6. Step 6: Final answer
    x = 7,956.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.