Home / 10,408.04-15,581.30-6,699.32

Finding the Fourth Proportional to 10,408.04, 15,581.30 and 6,699.32

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Solution

The fourth proportional to 10,408.04, 15,581.30 and 6,699.32 is: 10,029.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408.04 : 15,581.30 = 6,699.32 : x
  2. Step 2: Convert to fraction form
    10,408.04/15,581.30 = 6,699.32/x
  3. Step 3: Cross multiply
    10,408.04x = 15,581.30 × 6,699.32
  4. Step 4: Simplify right side
    10,408.04x = 104,384,114.72
  5. Step 5: Solve for x
    x = 104,384,114.72/10,408.04
  6. Step 6: Final answer
    x = 10,029.18

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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.