Home / 13,807.28-20,708.02-4,448.14

Finding the Fourth Proportional to 13,807.28, 20,708.02 and 4,448.14

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Solution

The fourth proportional to 13,807.28, 20,708.02 and 4,448.14 is: 6,671.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807.28 : 20,708.02 = 4,448.14 : x
  2. Step 2: Convert to fraction form
    13,807.28/20,708.02 = 4,448.14/x
  3. Step 3: Cross multiply
    13,807.28x = 20,708.02 × 4,448.14
  4. Step 4: Simplify right side
    13,807.28x = 92,112,172.08
  5. Step 5: Solve for x
    x = 92,112,172.08/13,807.28
  6. Step 6: Final answer
    x = 6,671.28

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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.