Home / 10,282.45-15,350.62-9,917.95

Finding the Fourth Proportional to 10,282.45, 15,350.62 and 9,917.95

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Solution

The fourth proportional to 10,282.45, 15,350.62 and 9,917.95 is: 14,806.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.45 : 15,350.62 = 9,917.95 : x
  2. Step 2: Convert to fraction form
    10,282.45/15,350.62 = 9,917.95/x
  3. Step 3: Cross multiply
    10,282.45x = 15,350.62 × 9,917.95
  4. Step 4: Simplify right side
    10,282.45x = 152,246,681.63
  5. Step 5: Solve for x
    x = 152,246,681.63/10,282.45
  6. Step 6: Final answer
    x = 14,806.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.