Home / 10,518.16-15,766.59-6,822.74

Finding the Fourth Proportional to 10,518.16, 15,766.59 and 6,822.74

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Solution

The fourth proportional to 10,518.16, 15,766.59 and 6,822.74 is: 10,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,518.16 : 15,766.59 = 6,822.74 : x
  2. Step 2: Convert to fraction form
    10,518.16/15,766.59 = 6,822.74/x
  3. Step 3: Cross multiply
    10,518.16x = 15,766.59 × 6,822.74
  4. Step 4: Simplify right side
    10,518.16x = 107,571,265.42
  5. Step 5: Solve for x
    x = 107,571,265.42/10,518.16
  6. Step 6: Final answer
    x = 10,227.20

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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.