Home / 13,948.97-20,923.70-5,070.60

Finding the Fourth Proportional to 13,948.97, 20,923.70 and 5,070.60

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Solution

The fourth proportional to 13,948.97, 20,923.70 and 5,070.60 is: 7,605.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.97 : 20,923.70 = 5,070.60 : x
  2. Step 2: Convert to fraction form
    13,948.97/20,923.70 = 5,070.60/x
  3. Step 3: Cross multiply
    13,948.97x = 20,923.70 × 5,070.60
  4. Step 4: Simplify right side
    13,948.97x = 106,095,687.87
  5. Step 5: Solve for x
    x = 106,095,687.87/13,948.97
  6. Step 6: Final answer
    x = 7,605.99

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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.