Home / 13,945.60-20,904.36-6,153.04

Finding the Fourth Proportional to 13,945.60, 20,904.36 and 6,153.04

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Solution

The fourth proportional to 13,945.60, 20,904.36 and 6,153.04 is: 9,223.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945.60 : 20,904.36 = 6,153.04 : x
  2. Step 2: Convert to fraction form
    13,945.60/20,904.36 = 6,153.04/x
  3. Step 3: Cross multiply
    13,945.60x = 20,904.36 × 6,153.04
  4. Step 4: Simplify right side
    13,945.60x = 128,625,363.25
  5. Step 5: Solve for x
    x = 128,625,363.25/13,945.60
  6. Step 6: Final answer
    x = 9,223.37

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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.