Home / 10,820.95-14,933.91-6,790.66

Finding the Fourth Proportional to 10,820.95, 14,933.91 and 6,790.66

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Solution

The fourth proportional to 10,820.95, 14,933.91 and 6,790.66 is: 9,371.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.95 : 14,933.91 = 6,790.66 : x
  2. Step 2: Convert to fraction form
    10,820.95/14,933.91 = 6,790.66/x
  3. Step 3: Cross multiply
    10,820.95x = 14,933.91 × 6,790.66
  4. Step 4: Simplify right side
    10,820.95x = 101,411,105.28
  5. Step 5: Solve for x
    x = 101,411,105.28/10,820.95
  6. Step 6: Final answer
    x = 9,371.74

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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.