Home / 13,948.88-20,928.80-6,152.24

Finding the Fourth Proportional to 13,948.88, 20,928.80 and 6,152.24

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Solution

The fourth proportional to 13,948.88, 20,928.80 and 6,152.24 is: 9,230.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.88 : 20,928.80 = 6,152.24 : x
  2. Step 2: Convert to fraction form
    13,948.88/20,928.80 = 6,152.24/x
  3. Step 3: Cross multiply
    13,948.88x = 20,928.80 × 6,152.24
  4. Step 4: Simplify right side
    13,948.88x = 128,759,000.51
  5. Step 5: Solve for x
    x = 128,759,000.51/13,948.88
  6. Step 6: Final answer
    x = 9,230.78

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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.