Home / 10,156.89-14,010.64-6,120.97

Finding the Fourth Proportional to 10,156.89, 14,010.64 and 6,120.97

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Solution

The fourth proportional to 10,156.89, 14,010.64 and 6,120.97 is: 8,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.89 : 14,010.64 = 6,120.97 : x
  2. Step 2: Convert to fraction form
    10,156.89/14,010.64 = 6,120.97/x
  3. Step 3: Cross multiply
    10,156.89x = 14,010.64 × 6,120.97
  4. Step 4: Simplify right side
    10,156.89x = 85,758,656.79
  5. Step 5: Solve for x
    x = 85,758,656.79/10,156.89
  6. Step 6: Final answer
    x = 8,443.40

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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.