Home / 10,146.84-15,220.41-2,752.05

Finding the Fourth Proportional to 10,146.84, 15,220.41 and 2,752.05

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Solution

The fourth proportional to 10,146.84, 15,220.41 and 2,752.05 is: 4,128.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,146.84 : 15,220.41 = 2,752.05 : x
  2. Step 2: Convert to fraction form
    10,146.84/15,220.41 = 2,752.05/x
  3. Step 3: Cross multiply
    10,146.84x = 15,220.41 × 2,752.05
  4. Step 4: Simplify right side
    10,146.84x = 41,887,329.34
  5. Step 5: Solve for x
    x = 41,887,329.34/10,146.84
  6. Step 6: Final answer
    x = 4,128.12

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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.