Home / 11,335.80-15,643.32-6,300.48

Finding the Fourth Proportional to 11,335.80, 15,643.32 and 6,300.48

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Solution

The fourth proportional to 11,335.80, 15,643.32 and 6,300.48 is: 8,694.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.80 : 15,643.32 = 6,300.48 : x
  2. Step 2: Convert to fraction form
    11,335.80/15,643.32 = 6,300.48/x
  3. Step 3: Cross multiply
    11,335.80x = 15,643.32 × 6,300.48
  4. Step 4: Simplify right side
    11,335.80x = 98,560,424.79
  5. Step 5: Solve for x
    x = 98,560,424.79/11,335.80
  6. Step 6: Final answer
    x = 8,694.62

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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.