Home / 13,637.59-20,431.67-6,248.23

Finding the Fourth Proportional to 13,637.59, 20,431.67 and 6,248.23

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Solution

The fourth proportional to 13,637.59, 20,431.67 and 6,248.23 is: 9,361.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.59 : 20,431.67 = 6,248.23 : x
  2. Step 2: Convert to fraction form
    13,637.59/20,431.67 = 6,248.23/x
  3. Step 3: Cross multiply
    13,637.59x = 20,431.67 × 6,248.23
  4. Step 4: Simplify right side
    13,637.59x = 127,661,742.20
  5. Step 5: Solve for x
    x = 127,661,742.20/13,637.59
  6. Step 6: Final answer
    x = 9,361.02

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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.