Home / 10,408.80-15,539.04-10,044.32

Finding the Fourth Proportional to 10,408.80, 15,539.04 and 10,044.32

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Solution

The fourth proportional to 10,408.80, 15,539.04 and 10,044.32 is: 14,994.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408.80 : 15,539.04 = 10,044.32 : x
  2. Step 2: Convert to fraction form
    10,408.80/15,539.04 = 10,044.32/x
  3. Step 3: Cross multiply
    10,408.80x = 15,539.04 × 10,044.32
  4. Step 4: Simplify right side
    10,408.80x = 156,079,090.25
  5. Step 5: Solve for x
    x = 156,079,090.25/10,408.80
  6. Step 6: Final answer
    x = 14,994.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.