Home / 17,988.90-24,813.99-14,003.70

Finding the Fourth Proportional to 17,988.90, 24,813.99 and 14,003.70

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Solution

The fourth proportional to 17,988.90, 24,813.99 and 14,003.70 is: 19,316.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.90 : 24,813.99 = 14,003.70 : x
  2. Step 2: Convert to fraction form
    17,988.90/24,813.99 = 14,003.70/x
  3. Step 3: Cross multiply
    17,988.90x = 24,813.99 × 14,003.70
  4. Step 4: Simplify right side
    17,988.90x = 347,487,671.76
  5. Step 5: Solve for x
    x = 347,487,671.76/17,988.90
  6. Step 6: Final answer
    x = 19,316.78

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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.