Home / 10,153.32-14,012.13-6,121.44

Finding the Fourth Proportional to 10,153.32, 14,012.13 and 6,121.44

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Solution

The fourth proportional to 10,153.32, 14,012.13 and 6,121.44 is: 8,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,153.32 : 14,012.13 = 6,121.44 : x
  2. Step 2: Convert to fraction form
    10,153.32/14,012.13 = 6,121.44/x
  3. Step 3: Cross multiply
    10,153.32x = 14,012.13 × 6,121.44
  4. Step 4: Simplify right side
    10,153.32x = 85,774,392.98
  5. Step 5: Solve for x
    x = 85,774,392.98/10,153.32
  6. Step 6: Final answer
    x = 8,447.91

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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.