Home / 10,803.45-14,908.41-6,611.70

Finding the Fourth Proportional to 10,803.45, 14,908.41 and 6,611.70

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Solution

The fourth proportional to 10,803.45, 14,908.41 and 6,611.70 is: 9,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,803.45 : 14,908.41 = 6,611.70 : x
  2. Step 2: Convert to fraction form
    10,803.45/14,908.41 = 6,611.70/x
  3. Step 3: Cross multiply
    10,803.45x = 14,908.41 × 6,611.70
  4. Step 4: Simplify right side
    10,803.45x = 98,569,934.40
  5. Step 5: Solve for x
    x = 98,569,934.40/10,803.45
  6. Step 6: Final answer
    x = 9,123.93

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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.