Home / 10,773.08-14,868.99-6,990.94

Finding the Fourth Proportional to 10,773.08, 14,868.99 and 6,990.94

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Solution

The fourth proportional to 10,773.08, 14,868.99 and 6,990.94 is: 9,648.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,773.08 : 14,868.99 = 6,990.94 : x
  2. Step 2: Convert to fraction form
    10,773.08/14,868.99 = 6,990.94/x
  3. Step 3: Cross multiply
    10,773.08x = 14,868.99 × 6,990.94
  4. Step 4: Simplify right side
    10,773.08x = 103,948,216.95
  5. Step 5: Solve for x
    x = 103,948,216.95/10,773.08
  6. Step 6: Final answer
    x = 9,648.89

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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.