Home / 10,277.50-15,416.20-2,486.32

Finding the Fourth Proportional to 10,277.50, 15,416.20 and 2,486.32

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Solution

The fourth proportional to 10,277.50, 15,416.20 and 2,486.32 is: 3,729.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,277.50 : 15,416.20 = 2,486.32 : x
  2. Step 2: Convert to fraction form
    10,277.50/15,416.20 = 2,486.32/x
  3. Step 3: Cross multiply
    10,277.50x = 15,416.20 × 2,486.32
  4. Step 4: Simplify right side
    10,277.50x = 38,329,606.38
  5. Step 5: Solve for x
    x = 38,329,606.38/10,277.50
  6. Step 6: Final answer
    x = 3,729.47

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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.