Home / 10,208.26-15,280.58-7,862.18

Finding the Fourth Proportional to 10,208.26, 15,280.58 and 7,862.18

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Solution

The fourth proportional to 10,208.26, 15,280.58 and 7,862.18 is: 11,768.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208.26 : 15,280.58 = 7,862.18 : x
  2. Step 2: Convert to fraction form
    10,208.26/15,280.58 = 7,862.18/x
  3. Step 3: Cross multiply
    10,208.26x = 15,280.58 × 7,862.18
  4. Step 4: Simplify right side
    10,208.26x = 120,138,670.46
  5. Step 5: Solve for x
    x = 120,138,670.46/10,208.26
  6. Step 6: Final answer
    x = 11,768.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.