Home / 14,015.38-21,020.16-4,152.34

Finding the Fourth Proportional to 14,015.38, 21,020.16 and 4,152.34

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Solution

The fourth proportional to 14,015.38, 21,020.16 and 4,152.34 is: 6,227.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.38 : 21,020.16 = 4,152.34 : x
  2. Step 2: Convert to fraction form
    14,015.38/21,020.16 = 4,152.34/x
  3. Step 3: Cross multiply
    14,015.38x = 21,020.16 × 4,152.34
  4. Step 4: Simplify right side
    14,015.38x = 87,282,851.17
  5. Step 5: Solve for x
    x = 87,282,851.17/14,015.38
  6. Step 6: Final answer
    x = 6,227.65

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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.