Home / 10,968.12-15,124.95-8,285.94

Finding the Fourth Proportional to 10,968.12, 15,124.95 and 8,285.94

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Solution

The fourth proportional to 10,968.12, 15,124.95 and 8,285.94 is: 11,426.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,968.12 : 15,124.95 = 8,285.94 : x
  2. Step 2: Convert to fraction form
    10,968.12/15,124.95 = 8,285.94/x
  3. Step 3: Cross multiply
    10,968.12x = 15,124.95 × 8,285.94
  4. Step 4: Simplify right side
    10,968.12x = 125,324,428.20
  5. Step 5: Solve for x
    x = 125,324,428.20/10,968.12
  6. Step 6: Final answer
    x = 11,426.25

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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.