Home / 17,989.36-24,821.10-10,915.60

Finding the Fourth Proportional to 17,989.36, 24,821.10 and 10,915.60

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Solution

The fourth proportional to 17,989.36, 24,821.10 and 10,915.60 is: 15,060.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,989.36 : 24,821.10 = 10,915.60 : x
  2. Step 2: Convert to fraction form
    17,989.36/24,821.10 = 10,915.60/x
  3. Step 3: Cross multiply
    17,989.36x = 24,821.10 × 10,915.60
  4. Step 4: Simplify right side
    17,989.36x = 270,937,199.16
  5. Step 5: Solve for x
    x = 270,937,199.16/17,989.36
  6. Step 6: Final answer
    x = 15,060.97

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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.