Home / 10,761.36-16,036.40-10,409.02

Finding the Fourth Proportional to 10,761.36, 16,036.40 and 10,409.02

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Solution

The fourth proportional to 10,761.36, 16,036.40 and 10,409.02 is: 15,511.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,761.36 : 16,036.40 = 10,409.02 : x
  2. Step 2: Convert to fraction form
    10,761.36/16,036.40 = 10,409.02/x
  3. Step 3: Cross multiply
    10,761.36x = 16,036.40 × 10,409.02
  4. Step 4: Simplify right side
    10,761.36x = 166,923,208.33
  5. Step 5: Solve for x
    x = 166,923,208.33/10,761.36
  6. Step 6: Final answer
    x = 15,511.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.