Home / 11,927.95-16,460.85-6,622.99

Finding the Fourth Proportional to 11,927.95, 16,460.85 and 6,622.99

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Solution

The fourth proportional to 11,927.95, 16,460.85 and 6,622.99 is: 9,139.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.95 : 16,460.85 = 6,622.99 : x
  2. Step 2: Convert to fraction form
    11,927.95/16,460.85 = 6,622.99/x
  3. Step 3: Cross multiply
    11,927.95x = 16,460.85 × 6,622.99
  4. Step 4: Simplify right side
    11,927.95x = 109,020,044.94
  5. Step 5: Solve for x
    x = 109,020,044.94/11,927.95
  6. Step 6: Final answer
    x = 9,139.88

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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.