Home / 13,829.02-20,741.49-6,807.17

Finding the Fourth Proportional to 13,829.02, 20,741.49 and 6,807.17

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Solution

The fourth proportional to 13,829.02, 20,741.49 and 6,807.17 is: 10,209.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.02 : 20,741.49 = 6,807.17 : x
  2. Step 2: Convert to fraction form
    13,829.02/20,741.49 = 6,807.17/x
  3. Step 3: Cross multiply
    13,829.02x = 20,741.49 × 6,807.17
  4. Step 4: Simplify right side
    13,829.02x = 141,190,848.48
  5. Step 5: Solve for x
    x = 141,190,848.48/13,829.02
  6. Step 6: Final answer
    x = 10,209.75

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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.