Home / 15,465.71-21,341.61-8,751.17

Finding the Fourth Proportional to 15,465.71, 21,341.61 and 8,751.17

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Solution

The fourth proportional to 15,465.71, 21,341.61 and 8,751.17 is: 12,076.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,465.71 : 21,341.61 = 8,751.17 : x
  2. Step 2: Convert to fraction form
    15,465.71/21,341.61 = 8,751.17/x
  3. Step 3: Cross multiply
    15,465.71x = 21,341.61 × 8,751.17
  4. Step 4: Simplify right side
    15,465.71x = 186,764,110.54
  5. Step 5: Solve for x
    x = 186,764,110.54/15,465.71
  6. Step 6: Final answer
    x = 12,076.01

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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.