Home / 17,000.40-23,435.88-12,277.20

Finding the Fourth Proportional to 17,000.40, 23,435.88 and 12,277.20

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Solution

The fourth proportional to 17,000.40, 23,435.88 and 12,277.20 is: 16,924.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,000.40 : 23,435.88 = 12,277.20 : x
  2. Step 2: Convert to fraction form
    17,000.40/23,435.88 = 12,277.20/x
  3. Step 3: Cross multiply
    17,000.40x = 23,435.88 × 12,277.20
  4. Step 4: Simplify right side
    17,000.40x = 287,726,985.94
  5. Step 5: Solve for x
    x = 287,726,985.94/17,000.40
  6. Step 6: Final answer
    x = 16,924.72

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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.