Home / 14,738.18-22,116.99-6,947.78

Finding the Fourth Proportional to 14,738.18, 22,116.99 and 6,947.78

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Solution

The fourth proportional to 14,738.18, 22,116.99 and 6,947.78 is: 10,426.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,738.18 : 22,116.99 = 6,947.78 : x
  2. Step 2: Convert to fraction form
    14,738.18/22,116.99 = 6,947.78/x
  3. Step 3: Cross multiply
    14,738.18x = 22,116.99 × 6,947.78
  4. Step 4: Simplify right side
    14,738.18x = 153,663,980.78
  5. Step 5: Solve for x
    x = 153,663,980.78/14,738.18
  6. Step 6: Final answer
    x = 10,426.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.