Home / 15,357.75-21,178.04-14,464.95

Finding the Fourth Proportional to 15,357.75, 21,178.04 and 14,464.95

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Solution

The fourth proportional to 15,357.75, 21,178.04 and 14,464.95 is: 19,946.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,357.75 : 21,178.04 = 14,464.95 : x
  2. Step 2: Convert to fraction form
    15,357.75/21,178.04 = 14,464.95/x
  3. Step 3: Cross multiply
    15,357.75x = 21,178.04 × 14,464.95
  4. Step 4: Simplify right side
    15,357.75x = 306,339,217.37
  5. Step 5: Solve for x
    x = 306,339,217.37/15,357.75
  6. Step 6: Final answer
    x = 19,946.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.