Home / 10,350.45-15,525.81-2,955.15

Finding the Fourth Proportional to 10,350.45, 15,525.81 and 2,955.15

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Solution

The fourth proportional to 10,350.45, 15,525.81 and 2,955.15 is: 4,432.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,350.45 : 15,525.81 = 2,955.15 : x
  2. Step 2: Convert to fraction form
    10,350.45/15,525.81 = 2,955.15/x
  3. Step 3: Cross multiply
    10,350.45x = 15,525.81 × 2,955.15
  4. Step 4: Simplify right side
    10,350.45x = 45,881,097.42
  5. Step 5: Solve for x
    x = 45,881,097.42/10,350.45
  6. Step 6: Final answer
    x = 4,432.76

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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.