Home / 9,639.78-14,460.08-4,713.57

Finding the Fourth Proportional to 9,639.78, 14,460.08 and 4,713.57

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Solution

The fourth proportional to 9,639.78, 14,460.08 and 4,713.57 is: 7,070.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.78 : 14,460.08 = 4,713.57 : x
  2. Step 2: Convert to fraction form
    9,639.78/14,460.08 = 4,713.57/x
  3. Step 3: Cross multiply
    9,639.78x = 14,460.08 × 4,713.57
  4. Step 4: Simplify right side
    9,639.78x = 68,158,575.72
  5. Step 5: Solve for x
    x = 68,158,575.72/9,639.78
  6. Step 6: Final answer
    x = 7,070.55

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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.