Home / 23,298-34,947.24-12,931.56

Finding the Fourth Proportional to 23,298, 34,947.24 and 12,931.56

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Solution

The fourth proportional to 23,298, 34,947.24 and 12,931.56 is: 19,397.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,298 : 34,947.24 = 12,931.56 : x
  2. Step 2: Convert to fraction form
    23,298/34,947.24 = 12,931.56/x
  3. Step 3: Cross multiply
    23,298x = 34,947.24 × 12,931.56
  4. Step 4: Simplify right side
    23,298x = 451,922,330.89
  5. Step 5: Solve for x
    x = 451,922,330.89/23,298
  6. Step 6: Final answer
    x = 19,397.47

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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.