Home / 15,981.49-22,056.60-9,269.20

Finding the Fourth Proportional to 15,981.49, 22,056.60 and 9,269.20

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Solution

The fourth proportional to 15,981.49, 22,056.60 and 9,269.20 is: 12,792.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981.49 : 22,056.60 = 9,269.20 : x
  2. Step 2: Convert to fraction form
    15,981.49/22,056.60 = 9,269.20/x
  3. Step 3: Cross multiply
    15,981.49x = 22,056.60 × 9,269.20
  4. Step 4: Simplify right side
    15,981.49x = 204,447,036.72
  5. Step 5: Solve for x
    x = 204,447,036.72/15,981.49
  6. Step 6: Final answer
    x = 12,792.74

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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.