Home / 10,777.90-14,872.80-6,062.08

Finding the Fourth Proportional to 10,777.90, 14,872.80 and 6,062.08

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Solution

The fourth proportional to 10,777.90, 14,872.80 and 6,062.08 is: 8,365.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777.90 : 14,872.80 = 6,062.08 : x
  2. Step 2: Convert to fraction form
    10,777.90/14,872.80 = 6,062.08/x
  3. Step 3: Cross multiply
    10,777.90x = 14,872.80 × 6,062.08
  4. Step 4: Simplify right side
    10,777.90x = 90,160,103.42
  5. Step 5: Solve for x
    x = 90,160,103.42/10,777.90
  6. Step 6: Final answer
    x = 8,365.28

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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.