Home / 15,408.18-23,110.48-4,315.76

Finding the Fourth Proportional to 15,408.18, 23,110.48 and 4,315.76

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Solution

The fourth proportional to 15,408.18, 23,110.48 and 4,315.76 is: 6,473.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408.18 : 23,110.48 = 4,315.76 : x
  2. Step 2: Convert to fraction form
    15,408.18/23,110.48 = 4,315.76/x
  3. Step 3: Cross multiply
    15,408.18x = 23,110.48 × 4,315.76
  4. Step 4: Simplify right side
    15,408.18x = 99,739,285.16
  5. Step 5: Solve for x
    x = 99,739,285.16/15,408.18
  6. Step 6: Final answer
    x = 6,473.14

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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.