Home / 13,929.74-20,894.65-3,541.49

Finding the Fourth Proportional to 13,929.74, 20,894.65 and 3,541.49

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Solution

The fourth proportional to 13,929.74, 20,894.65 and 3,541.49 is: 5,312.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929.74 : 20,894.65 = 3,541.49 : x
  2. Step 2: Convert to fraction form
    13,929.74/20,894.65 = 3,541.49/x
  3. Step 3: Cross multiply
    13,929.74x = 20,894.65 × 3,541.49
  4. Step 4: Simplify right side
    13,929.74x = 73,998,194.03
  5. Step 5: Solve for x
    x = 73,998,194.03/13,929.74
  6. Step 6: Final answer
    x = 5,312.25

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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.