Home / 16,966.40-23,389.05-11,915.24

Finding the Fourth Proportional to 16,966.40, 23,389.05 and 11,915.24

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Solution

The fourth proportional to 16,966.40, 23,389.05 and 11,915.24 is: 16,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,966.40 : 23,389.05 = 11,915.24 : x
  2. Step 2: Convert to fraction form
    16,966.40/23,389.05 = 11,915.24/x
  3. Step 3: Cross multiply
    16,966.40x = 23,389.05 × 11,915.24
  4. Step 4: Simplify right side
    16,966.40x = 278,686,144.12
  5. Step 5: Solve for x
    x = 278,686,144.12/16,966.40
  6. Step 6: Final answer
    x = 16,425.77

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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.