Home / 9,309.83-13,955.43-5,151.70

Finding the Fourth Proportional to 9,309.83, 13,955.43 and 5,151.70

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Solution

The fourth proportional to 9,309.83, 13,955.43 and 5,151.70 is: 7,722.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.83 : 13,955.43 = 5,151.70 : x
  2. Step 2: Convert to fraction form
    9,309.83/13,955.43 = 5,151.70/x
  3. Step 3: Cross multiply
    9,309.83x = 13,955.43 × 5,151.70
  4. Step 4: Simplify right side
    9,309.83x = 71,894,118.95
  5. Step 5: Solve for x
    x = 71,894,118.95/9,309.83
  6. Step 6: Final answer
    x = 7,722.39

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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.