Home / 10,152.78-14,014.71-6,616.86

Finding the Fourth Proportional to 10,152.78, 14,014.71 and 6,616.86

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Solution

The fourth proportional to 10,152.78, 14,014.71 and 6,616.86 is: 9,133.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152.78 : 14,014.71 = 6,616.86 : x
  2. Step 2: Convert to fraction form
    10,152.78/14,014.71 = 6,616.86/x
  3. Step 3: Cross multiply
    10,152.78x = 14,014.71 × 6,616.86
  4. Step 4: Simplify right side
    10,152.78x = 92,733,374.01
  5. Step 5: Solve for x
    x = 92,733,374.01/10,152.78
  6. Step 6: Final answer
    x = 9,133.79

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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.