Home / 11,661.40-16,055.58-10,866.52

Finding the Fourth Proportional to 11,661.40, 16,055.58 and 10,866.52

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Solution

The fourth proportional to 11,661.40, 16,055.58 and 10,866.52 is: 14,961.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.40 : 16,055.58 = 10,866.52 : x
  2. Step 2: Convert to fraction form
    11,661.40/16,055.58 = 10,866.52/x
  3. Step 3: Cross multiply
    11,661.40x = 16,055.58 × 10,866.52
  4. Step 4: Simplify right side
    11,661.40x = 174,468,281.18
  5. Step 5: Solve for x
    x = 174,468,281.18/11,661.40
  6. Step 6: Final answer
    x = 14,961.18

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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.