Home / 10,308.06-15,463.05-2,912.70

Finding the Fourth Proportional to 10,308.06, 15,463.05 and 2,912.70

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Solution

The fourth proportional to 10,308.06, 15,463.05 and 2,912.70 is: 4,369.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308.06 : 15,463.05 = 2,912.70 : x
  2. Step 2: Convert to fraction form
    10,308.06/15,463.05 = 2,912.70/x
  3. Step 3: Cross multiply
    10,308.06x = 15,463.05 × 2,912.70
  4. Step 4: Simplify right side
    10,308.06x = 45,039,225.74
  5. Step 5: Solve for x
    x = 45,039,225.74/10,308.06
  6. Step 6: Final answer
    x = 4,369.32

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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.