Home / 13,925.17-20,887.71-3,536.92

Finding the Fourth Proportional to 13,925.17, 20,887.71 and 3,536.92

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Solution

The fourth proportional to 13,925.17, 20,887.71 and 3,536.92 is: 5,305.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.17 : 20,887.71 = 3,536.92 : x
  2. Step 2: Convert to fraction form
    13,925.17/20,887.71 = 3,536.92/x
  3. Step 3: Cross multiply
    13,925.17x = 20,887.71 × 3,536.92
  4. Step 4: Simplify right side
    13,925.17x = 73,878,159.25
  5. Step 5: Solve for x
    x = 73,878,159.25/13,925.17
  6. Step 6: Final answer
    x = 5,305.37

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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.