Home / 17,780.40-24,534.96-9,820.63

Finding the Fourth Proportional to 17,780.40, 24,534.96 and 9,820.63

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Solution

The fourth proportional to 17,780.40, 24,534.96 and 9,820.63 is: 13,551.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,780.40 : 24,534.96 = 9,820.63 : x
  2. Step 2: Convert to fraction form
    17,780.40/24,534.96 = 9,820.63/x
  3. Step 3: Cross multiply
    17,780.40x = 24,534.96 × 9,820.63
  4. Step 4: Simplify right side
    17,780.40x = 240,948,764.22
  5. Step 5: Solve for x
    x = 240,948,764.22/17,780.40
  6. Step 6: Final answer
    x = 13,551.37

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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.