Home / 10,820.80-14,932.75-6,040.66

Finding the Fourth Proportional to 10,820.80, 14,932.75 and 6,040.66

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Solution

The fourth proportional to 10,820.80, 14,932.75 and 6,040.66 is: 8,336.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.80 : 14,932.75 = 6,040.66 : x
  2. Step 2: Convert to fraction form
    10,820.80/14,932.75 = 6,040.66/x
  3. Step 3: Cross multiply
    10,820.80x = 14,932.75 × 6,040.66
  4. Step 4: Simplify right side
    10,820.80x = 90,203,652.51
  5. Step 5: Solve for x
    x = 90,203,652.51/10,820.80
  6. Step 6: Final answer
    x = 8,336.13

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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.