Home / 15,282.41-21,093.08-9,312.84

Finding the Fourth Proportional to 15,282.41, 21,093.08 and 9,312.84

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Solution

The fourth proportional to 15,282.41, 21,093.08 and 9,312.84 is: 12,853.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,282.41 : 21,093.08 = 9,312.84 : x
  2. Step 2: Convert to fraction form
    15,282.41/21,093.08 = 9,312.84/x
  3. Step 3: Cross multiply
    15,282.41x = 21,093.08 × 9,312.84
  4. Step 4: Simplify right side
    15,282.41x = 196,436,432.58
  5. Step 5: Solve for x
    x = 196,436,432.58/15,282.41
  6. Step 6: Final answer
    x = 12,853.76

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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.