Home / 10,014.95-15,021.27-2,620.12

Finding the Fourth Proportional to 10,014.95, 15,021.27 and 2,620.12

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Solution

The fourth proportional to 10,014.95, 15,021.27 and 2,620.12 is: 3,929.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.95 : 15,021.27 = 2,620.12 : x
  2. Step 2: Convert to fraction form
    10,014.95/15,021.27 = 2,620.12/x
  3. Step 3: Cross multiply
    10,014.95x = 15,021.27 × 2,620.12
  4. Step 4: Simplify right side
    10,014.95x = 39,357,492.40
  5. Step 5: Solve for x
    x = 39,357,492.40/10,014.95
  6. Step 6: Final answer
    x = 3,929.88

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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.