Home / 10,238.54-14,131.60-6,510.38

Finding the Fourth Proportional to 10,238.54, 14,131.60 and 6,510.38

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Solution

The fourth proportional to 10,238.54, 14,131.60 and 6,510.38 is: 8,985.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,238.54 : 14,131.60 = 6,510.38 : x
  2. Step 2: Convert to fraction form
    10,238.54/14,131.60 = 6,510.38/x
  3. Step 3: Cross multiply
    10,238.54x = 14,131.60 × 6,510.38
  4. Step 4: Simplify right side
    10,238.54x = 92,001,999.07
  5. Step 5: Solve for x
    x = 92,001,999.07/10,238.54
  6. Step 6: Final answer
    x = 8,985.86

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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.