Home / 16,285.26-22,449.15-12,742.32

Finding the Fourth Proportional to 16,285.26, 22,449.15 and 12,742.32

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Solution

The fourth proportional to 16,285.26, 22,449.15 and 12,742.32 is: 17,565.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,285.26 : 22,449.15 = 12,742.32 : x
  2. Step 2: Convert to fraction form
    16,285.26/22,449.15 = 12,742.32/x
  3. Step 3: Cross multiply
    16,285.26x = 22,449.15 × 12,742.32
  4. Step 4: Simplify right side
    16,285.26x = 286,054,253.03
  5. Step 5: Solve for x
    x = 286,054,253.03/16,285.26
  6. Step 6: Final answer
    x = 17,565.22

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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.