Home / 10,504.59-15,756.32-3,930.22

Finding the Fourth Proportional to 10,504.59, 15,756.32 and 3,930.22

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Solution

The fourth proportional to 10,504.59, 15,756.32 and 3,930.22 is: 5,895.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,504.59 : 15,756.32 = 3,930.22 : x
  2. Step 2: Convert to fraction form
    10,504.59/15,756.32 = 3,930.22/x
  3. Step 3: Cross multiply
    10,504.59x = 15,756.32 × 3,930.22
  4. Step 4: Simplify right side
    10,504.59x = 61,925,833.51
  5. Step 5: Solve for x
    x = 61,925,833.51/10,504.59
  6. Step 6: Final answer
    x = 5,895.12

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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.