Home / 16,311.42-24,465.57-5,215.12

Finding the Fourth Proportional to 16,311.42, 24,465.57 and 5,215.12

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Solution

The fourth proportional to 16,311.42, 24,465.57 and 5,215.12 is: 7,822.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,311.42 : 24,465.57 = 5,215.12 : x
  2. Step 2: Convert to fraction form
    16,311.42/24,465.57 = 5,215.12/x
  3. Step 3: Cross multiply
    16,311.42x = 24,465.57 × 5,215.12
  4. Step 4: Simplify right side
    16,311.42x = 127,590,883.42
  5. Step 5: Solve for x
    x = 127,590,883.42/16,311.42
  6. Step 6: Final answer
    x = 7,822.18

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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.