Home / 10,947.36-15,108.24-6,968.16

Finding the Fourth Proportional to 10,947.36, 15,108.24 and 6,968.16

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Solution

The fourth proportional to 10,947.36, 15,108.24 and 6,968.16 is: 9,616.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.36 : 15,108.24 = 6,968.16 : x
  2. Step 2: Convert to fraction form
    10,947.36/15,108.24 = 6,968.16/x
  3. Step 3: Cross multiply
    10,947.36x = 15,108.24 × 6,968.16
  4. Step 4: Simplify right side
    10,947.36x = 105,276,633.64
  5. Step 5: Solve for x
    x = 105,276,633.64/10,947.36
  6. Step 6: Final answer
    x = 9,616.62

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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.