Home / 10,837.18-14,955.60-6,121.48

Finding the Fourth Proportional to 10,837.18, 14,955.60 and 6,121.48

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Solution

The fourth proportional to 10,837.18, 14,955.60 and 6,121.48 is: 8,447.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,837.18 : 14,955.60 = 6,121.48 : x
  2. Step 2: Convert to fraction form
    10,837.18/14,955.60 = 6,121.48/x
  3. Step 3: Cross multiply
    10,837.18x = 14,955.60 × 6,121.48
  4. Step 4: Simplify right side
    10,837.18x = 91,550,406.29
  5. Step 5: Solve for x
    x = 91,550,406.29/10,837.18
  6. Step 6: Final answer
    x = 8,447.81

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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.