Home / 16,117.20-24,175.80-13,784.40

Finding the Fourth Proportional to 16,117.20, 24,175.80 and 13,784.40

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Solution

The fourth proportional to 16,117.20, 24,175.80 and 13,784.40 is: 20,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,117.20 : 24,175.80 = 13,784.40 : x
  2. Step 2: Convert to fraction form
    16,117.20/24,175.80 = 13,784.40/x
  3. Step 3: Cross multiply
    16,117.20x = 24,175.80 × 13,784.40
  4. Step 4: Simplify right side
    16,117.20x = 333,248,897.52
  5. Step 5: Solve for x
    x = 333,248,897.52/16,117.20
  6. Step 6: Final answer
    x = 20,676.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.