Home / 10,029.18-15,034.86-3,450.78

Finding the Fourth Proportional to 10,029.18, 15,034.86 and 3,450.78

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Solution

The fourth proportional to 10,029.18, 15,034.86 and 3,450.78 is: 5,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,029.18 : 15,034.86 = 3,450.78 : x
  2. Step 2: Convert to fraction form
    10,029.18/15,034.86 = 3,450.78/x
  3. Step 3: Cross multiply
    10,029.18x = 15,034.86 × 3,450.78
  4. Step 4: Simplify right side
    10,029.18x = 51,881,994.19
  5. Step 5: Solve for x
    x = 51,881,994.19/10,029.18
  6. Step 6: Final answer
    x = 5,173.10

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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.