Home / 13,962.36-20,943.48-5,642.27

Finding the Fourth Proportional to 13,962.36, 20,943.48 and 5,642.27

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Solution

The fourth proportional to 13,962.36, 20,943.48 and 5,642.27 is: 8,463.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.36 : 20,943.48 = 5,642.27 : x
  2. Step 2: Convert to fraction form
    13,962.36/20,943.48 = 5,642.27/x
  3. Step 3: Cross multiply
    13,962.36x = 20,943.48 × 5,642.27
  4. Step 4: Simplify right side
    13,962.36x = 118,168,849.95
  5. Step 5: Solve for x
    x = 118,168,849.95/13,962.36
  6. Step 6: Final answer
    x = 8,463.39

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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.