Home / 13,575.89-20,363.08-3,714.45

Finding the Fourth Proportional to 13,575.89, 20,363.08 and 3,714.45

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Solution

The fourth proportional to 13,575.89, 20,363.08 and 3,714.45 is: 5,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575.89 : 20,363.08 = 3,714.45 : x
  2. Step 2: Convert to fraction form
    13,575.89/20,363.08 = 3,714.45/x
  3. Step 3: Cross multiply
    13,575.89x = 20,363.08 × 3,714.45
  4. Step 4: Simplify right side
    13,575.89x = 75,637,642.51
  5. Step 5: Solve for x
    x = 75,637,642.51/13,575.89
  6. Step 6: Final answer
    x = 5,571.47

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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.