Home / 10,840.08-16,224.48-7,146.48

Finding the Fourth Proportional to 10,840.08, 16,224.48 and 7,146.48

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Solution

The fourth proportional to 10,840.08, 16,224.48 and 7,146.48 is: 10,696.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,840.08 : 16,224.48 = 7,146.48 : x
  2. Step 2: Convert to fraction form
    10,840.08/16,224.48 = 7,146.48/x
  3. Step 3: Cross multiply
    10,840.08x = 16,224.48 × 7,146.48
  4. Step 4: Simplify right side
    10,840.08x = 115,947,921.83
  5. Step 5: Solve for x
    x = 115,947,921.83/10,840.08
  6. Step 6: Final answer
    x = 10,696.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.