Home / 16,322.08-24,430.16-8,815.20

Finding the Fourth Proportional to 16,322.08, 24,430.16 and 8,815.20

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Solution

The fourth proportional to 16,322.08, 24,430.16 and 8,815.20 is: 13,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,322.08 : 24,430.16 = 8,815.20 : x
  2. Step 2: Convert to fraction form
    16,322.08/24,430.16 = 8,815.20/x
  3. Step 3: Cross multiply
    16,322.08x = 24,430.16 × 8,815.20
  4. Step 4: Simplify right side
    16,322.08x = 215,356,746.43
  5. Step 5: Solve for x
    x = 215,356,746.43/16,322.08
  6. Step 6: Final answer
    x = 13,194.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.