Home / 14,019.59-20,987.37-13,521.12

Finding the Fourth Proportional to 14,019.59, 20,987.37 and 13,521.12

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Solution

The fourth proportional to 14,019.59, 20,987.37 and 13,521.12 is: 20,241.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.59 : 20,987.37 = 13,521.12 : x
  2. Step 2: Convert to fraction form
    14,019.59/20,987.37 = 13,521.12/x
  3. Step 3: Cross multiply
    14,019.59x = 20,987.37 × 13,521.12
  4. Step 4: Simplify right side
    14,019.59x = 283,772,748.25
  5. Step 5: Solve for x
    x = 283,772,748.25/14,019.59
  6. Step 6: Final answer
    x = 20,241.16

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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.