Home / 16,403.64-22,655.91-11,947.32

Finding the Fourth Proportional to 16,403.64, 22,655.91 and 11,947.32

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Solution

The fourth proportional to 16,403.64, 22,655.91 and 11,947.32 is: 16,501.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,403.64 : 22,655.91 = 11,947.32 : x
  2. Step 2: Convert to fraction form
    16,403.64/22,655.91 = 11,947.32/x
  3. Step 3: Cross multiply
    16,403.64x = 22,655.91 × 11,947.32
  4. Step 4: Simplify right side
    16,403.64x = 270,677,406.66
  5. Step 5: Solve for x
    x = 270,677,406.66/16,403.64
  6. Step 6: Final answer
    x = 16,501.06

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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.