Home / 16,140.76-22,268.04-11,901.88

Finding the Fourth Proportional to 16,140.76, 22,268.04 and 11,901.88

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Solution

The fourth proportional to 16,140.76, 22,268.04 and 11,901.88 is: 16,420.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,140.76 : 22,268.04 = 11,901.88 : x
  2. Step 2: Convert to fraction form
    16,140.76/22,268.04 = 11,901.88/x
  3. Step 3: Cross multiply
    16,140.76x = 22,268.04 × 11,901.88
  4. Step 4: Simplify right side
    16,140.76x = 265,031,539.92
  5. Step 5: Solve for x
    x = 265,031,539.92/16,140.76
  6. Step 6: Final answer
    x = 16,420.02

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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.