Home / 10,766.42-14,852.64-6,290.36

Finding the Fourth Proportional to 10,766.42, 14,852.64 and 6,290.36

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Solution

The fourth proportional to 10,766.42, 14,852.64 and 6,290.36 is: 8,677.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,766.42 : 14,852.64 = 6,290.36 : x
  2. Step 2: Convert to fraction form
    10,766.42/14,852.64 = 6,290.36/x
  3. Step 3: Cross multiply
    10,766.42x = 14,852.64 × 6,290.36
  4. Step 4: Simplify right side
    10,766.42x = 93,428,452.55
  5. Step 5: Solve for x
    x = 93,428,452.55/10,766.42
  6. Step 6: Final answer
    x = 8,677.76

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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.