Home / 9,621.15-13,275.50-6,081.63

Finding the Fourth Proportional to 9,621.15, 13,275.50 and 6,081.63

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Solution

The fourth proportional to 9,621.15, 13,275.50 and 6,081.63 is: 8,391.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.15 : 13,275.50 = 6,081.63 : x
  2. Step 2: Convert to fraction form
    9,621.15/13,275.50 = 6,081.63/x
  3. Step 3: Cross multiply
    9,621.15x = 13,275.50 × 6,081.63
  4. Step 4: Simplify right side
    9,621.15x = 80,736,648.66
  5. Step 5: Solve for x
    x = 80,736,648.66/9,621.15
  6. Step 6: Final answer
    x = 8,391.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.