Home / 15,881.07-21,906.95-10,216.52

Finding the Fourth Proportional to 15,881.07, 21,906.95 and 10,216.52

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Solution

The fourth proportional to 15,881.07, 21,906.95 and 10,216.52 is: 14,093.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,881.07 : 21,906.95 = 10,216.52 : x
  2. Step 2: Convert to fraction form
    15,881.07/21,906.95 = 10,216.52/x
  3. Step 3: Cross multiply
    15,881.07x = 21,906.95 × 10,216.52
  4. Step 4: Simplify right side
    15,881.07x = 223,812,632.20
  5. Step 5: Solve for x
    x = 223,812,632.20/15,881.07
  6. Step 6: Final answer
    x = 14,093.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.