Home / 22,447.61-30,977.93-12,376.45

Finding the Fourth Proportional to 22,447.61, 30,977.93 and 12,376.45

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Solution

The fourth proportional to 22,447.61, 30,977.93 and 12,376.45 is: 17,079.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,447.61 : 30,977.93 = 12,376.45 : x
  2. Step 2: Convert to fraction form
    22,447.61/30,977.93 = 12,376.45/x
  3. Step 3: Cross multiply
    22,447.61x = 30,977.93 × 12,376.45
  4. Step 4: Simplify right side
    22,447.61x = 383,396,662.42
  5. Step 5: Solve for x
    x = 383,396,662.42/22,447.61
  6. Step 6: Final answer
    x = 17,079.62

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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.