Home / 17,788.80-26,657.28-9,999.84

Finding the Fourth Proportional to 17,788.80, 26,657.28 and 9,999.84

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Solution

The fourth proportional to 17,788.80, 26,657.28 and 9,999.84 is: 14,985.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,788.80 : 26,657.28 = 9,999.84 : x
  2. Step 2: Convert to fraction form
    17,788.80/26,657.28 = 9,999.84/x
  3. Step 3: Cross multiply
    17,788.80x = 26,657.28 × 9,999.84
  4. Step 4: Simplify right side
    17,788.80x = 266,568,534.84
  5. Step 5: Solve for x
    x = 266,568,534.84/17,788.80
  6. Step 6: Final answer
    x = 14,985.19

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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.