Home / 15,068.09-20,791.77-8,353.71

Finding the Fourth Proportional to 15,068.09, 20,791.77 and 8,353.71

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Solution

The fourth proportional to 15,068.09, 20,791.77 and 8,353.71 is: 11,526.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,068.09 : 20,791.77 = 8,353.71 : x
  2. Step 2: Convert to fraction form
    15,068.09/20,791.77 = 8,353.71/x
  3. Step 3: Cross multiply
    15,068.09x = 20,791.77 × 8,353.71
  4. Step 4: Simplify right side
    15,068.09x = 173,688,416.97
  5. Step 5: Solve for x
    x = 173,688,416.97/15,068.09
  6. Step 6: Final answer
    x = 11,526.91

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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.