Home / 10,330.81-15,501.78-4,487.87

Finding the Fourth Proportional to 10,330.81, 15,501.78 and 4,487.87

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Solution

The fourth proportional to 10,330.81, 15,501.78 and 4,487.87 is: 6,734.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.81 : 15,501.78 = 4,487.87 : x
  2. Step 2: Convert to fraction form
    10,330.81/15,501.78 = 4,487.87/x
  3. Step 3: Cross multiply
    10,330.81x = 15,501.78 × 4,487.87
  4. Step 4: Simplify right side
    10,330.81x = 69,570,012.16
  5. Step 5: Solve for x
    x = 69,570,012.16/10,330.81
  6. Step 6: Final answer
    x = 6,734.23

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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.