Home / 10,485.89-15,704.54-6,316.79

Finding the Fourth Proportional to 10,485.89, 15,704.54 and 6,316.79

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Solution

The fourth proportional to 10,485.89, 15,704.54 and 6,316.79 is: 9,460.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485.89 : 15,704.54 = 6,316.79 : x
  2. Step 2: Convert to fraction form
    10,485.89/15,704.54 = 6,316.79/x
  3. Step 3: Cross multiply
    10,485.89x = 15,704.54 × 6,316.79
  4. Step 4: Simplify right side
    10,485.89x = 99,202,288.90
  5. Step 5: Solve for x
    x = 99,202,288.90/10,485.89
  6. Step 6: Final answer
    x = 9,460.55

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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.