Home / 15,381.32-23,063.78-7,967.40

Finding the Fourth Proportional to 15,381.32, 23,063.78 and 7,967.40

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Solution

The fourth proportional to 15,381.32, 23,063.78 and 7,967.40 is: 11,946.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381.32 : 23,063.78 = 7,967.40 : x
  2. Step 2: Convert to fraction form
    15,381.32/23,063.78 = 7,967.40/x
  3. Step 3: Cross multiply
    15,381.32x = 23,063.78 × 7,967.40
  4. Step 4: Simplify right side
    15,381.32x = 183,758,360.77
  5. Step 5: Solve for x
    x = 183,758,360.77/15,381.32
  6. Step 6: Final answer
    x = 11,946.85

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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.