Home / 17,883.28-24,683.47-12,220.32

Finding the Fourth Proportional to 17,883.28, 24,683.47 and 12,220.32

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Solution

The fourth proportional to 17,883.28, 24,683.47 and 12,220.32 is: 16,867.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,883.28 : 24,683.47 = 12,220.32 : x
  2. Step 2: Convert to fraction form
    17,883.28/24,683.47 = 12,220.32/x
  3. Step 3: Cross multiply
    17,883.28x = 24,683.47 × 12,220.32
  4. Step 4: Simplify right side
    17,883.28x = 301,639,902.11
  5. Step 5: Solve for x
    x = 301,639,902.11/17,883.28
  6. Step 6: Final answer
    x = 16,867.15

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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.