Home / 11,335.28-15,643.68-6,300.48

Finding the Fourth Proportional to 11,335.28, 15,643.68 and 6,300.48

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Solution

The fourth proportional to 11,335.28, 15,643.68 and 6,300.48 is: 8,695.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.28 : 15,643.68 = 6,300.48 : x
  2. Step 2: Convert to fraction form
    11,335.28/15,643.68 = 6,300.48/x
  3. Step 3: Cross multiply
    11,335.28x = 15,643.68 × 6,300.48
  4. Step 4: Simplify right side
    11,335.28x = 98,562,692.97
  5. Step 5: Solve for x
    x = 98,562,692.97/11,335.28
  6. Step 6: Final answer
    x = 8,695.21

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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.