Home / 10,485.41-15,737.84-5,294.93

Finding the Fourth Proportional to 10,485.41, 15,737.84 and 5,294.93

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Solution

The fourth proportional to 10,485.41, 15,737.84 and 5,294.93 is: 7,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485.41 : 15,737.84 = 5,294.93 : x
  2. Step 2: Convert to fraction form
    10,485.41/15,737.84 = 5,294.93/x
  3. Step 3: Cross multiply
    10,485.41x = 15,737.84 × 5,294.93
  4. Step 4: Simplify right side
    10,485.41x = 83,330,734.68
  5. Step 5: Solve for x
    x = 83,330,734.68/10,485.41
  6. Step 6: Final answer
    x = 7,947.30

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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.