Home / 13,928.78-20,888.84-4,566.74

Finding the Fourth Proportional to 13,928.78, 20,888.84 and 4,566.74

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Solution

The fourth proportional to 13,928.78, 20,888.84 and 4,566.74 is: 6,848.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928.78 : 20,888.84 = 4,566.74 : x
  2. Step 2: Convert to fraction form
    13,928.78/20,888.84 = 4,566.74/x
  3. Step 3: Cross multiply
    13,928.78x = 20,888.84 × 4,566.74
  4. Step 4: Simplify right side
    13,928.78x = 95,393,901.18
  5. Step 5: Solve for x
    x = 95,393,901.18/13,928.78
  6. Step 6: Final answer
    x = 6,848.69

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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.