Home / 10,447.48-15,670.47-4,902.09

Finding the Fourth Proportional to 10,447.48, 15,670.47 and 4,902.09

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Solution

The fourth proportional to 10,447.48, 15,670.47 and 4,902.09 is: 7,352.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.48 : 15,670.47 = 4,902.09 : x
  2. Step 2: Convert to fraction form
    10,447.48/15,670.47 = 4,902.09/x
  3. Step 3: Cross multiply
    10,447.48x = 15,670.47 × 4,902.09
  4. Step 4: Simplify right side
    10,447.48x = 76,818,054.28
  5. Step 5: Solve for x
    x = 76,818,054.28/10,447.48
  6. Step 6: Final answer
    x = 7,352.78

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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.