Home / 9,926.78-14,890.50-4,993.72

Finding the Fourth Proportional to 9,926.78, 14,890.50 and 4,993.72

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Solution

The fourth proportional to 9,926.78, 14,890.50 and 4,993.72 is: 7,490.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,926.78 : 14,890.50 = 4,993.72 : x
  2. Step 2: Convert to fraction form
    9,926.78/14,890.50 = 4,993.72/x
  3. Step 3: Cross multiply
    9,926.78x = 14,890.50 × 4,993.72
  4. Step 4: Simplify right side
    9,926.78x = 74,358,987.66
  5. Step 5: Solve for x
    x = 74,358,987.66/9,926.78
  6. Step 6: Final answer
    x = 7,490.75

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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.