Home / 10,447.86-15,655.35-6,277.98

Finding the Fourth Proportional to 10,447.86, 15,655.35 and 6,277.98

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Solution

The fourth proportional to 10,447.86, 15,655.35 and 6,277.98 is: 9,407.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.86 : 15,655.35 = 6,277.98 : x
  2. Step 2: Convert to fraction form
    10,447.86/15,655.35 = 6,277.98/x
  3. Step 3: Cross multiply
    10,447.86x = 15,655.35 × 6,277.98
  4. Step 4: Simplify right side
    10,447.86x = 98,283,974.19
  5. Step 5: Solve for x
    x = 98,283,974.19/10,447.86
  6. Step 6: Final answer
    x = 9,407.09

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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.