Home / 10,124.71-15,187.95-2,728.99

Finding the Fourth Proportional to 10,124.71, 15,187.95 and 2,728.99

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Solution

The fourth proportional to 10,124.71, 15,187.95 and 2,728.99 is: 4,093.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.71 : 15,187.95 = 2,728.99 : x
  2. Step 2: Convert to fraction form
    10,124.71/15,187.95 = 2,728.99/x
  3. Step 3: Cross multiply
    10,124.71x = 15,187.95 × 2,728.99
  4. Step 4: Simplify right side
    10,124.71x = 41,447,763.67
  5. Step 5: Solve for x
    x = 41,447,763.67/10,124.71
  6. Step 6: Final answer
    x = 4,093.72

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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.