Home / 13,969.02-20,954.61-5,648.70

Finding the Fourth Proportional to 13,969.02, 20,954.61 and 5,648.70

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Solution

The fourth proportional to 13,969.02, 20,954.61 and 5,648.70 is: 8,473.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969.02 : 20,954.61 = 5,648.70 : x
  2. Step 2: Convert to fraction form
    13,969.02/20,954.61 = 5,648.70/x
  3. Step 3: Cross multiply
    13,969.02x = 20,954.61 × 5,648.70
  4. Step 4: Simplify right side
    13,969.02x = 118,366,305.51
  5. Step 5: Solve for x
    x = 118,366,305.51/13,969.02
  6. Step 6: Final answer
    x = 8,473.49

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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.