Home / 16,911.84-23,339.52-9,358.40

Finding the Fourth Proportional to 16,911.84, 23,339.52 and 9,358.40

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Solution

The fourth proportional to 16,911.84, 23,339.52 and 9,358.40 is: 12,915.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.84 : 23,339.52 = 9,358.40 : x
  2. Step 2: Convert to fraction form
    16,911.84/23,339.52 = 9,358.40/x
  3. Step 3: Cross multiply
    16,911.84x = 23,339.52 × 9,358.40
  4. Step 4: Simplify right side
    16,911.84x = 218,420,563.97
  5. Step 5: Solve for x
    x = 218,420,563.97/16,911.84
  6. Step 6: Final answer
    x = 12,915.25

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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.