Home / 10,145.06-15,206.67-6,633.74

Finding the Fourth Proportional to 10,145.06, 15,206.67 and 6,633.74

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Solution

The fourth proportional to 10,145.06, 15,206.67 and 6,633.74 is: 9,943.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,145.06 : 15,206.67 = 6,633.74 : x
  2. Step 2: Convert to fraction form
    10,145.06/15,206.67 = 6,633.74/x
  3. Step 3: Cross multiply
    10,145.06x = 15,206.67 × 6,633.74
  4. Step 4: Simplify right side
    10,145.06x = 100,877,095.05
  5. Step 5: Solve for x
    x = 100,877,095.05/10,145.06
  6. Step 6: Final answer
    x = 9,943.47

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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.