Home / 14,143.06-21,214.71-4,783.12

Finding the Fourth Proportional to 14,143.06, 21,214.71 and 4,783.12

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Solution

The fourth proportional to 14,143.06, 21,214.71 and 4,783.12 is: 7,174.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143.06 : 21,214.71 = 4,783.12 : x
  2. Step 2: Convert to fraction form
    14,143.06/21,214.71 = 4,783.12/x
  3. Step 3: Cross multiply
    14,143.06x = 21,214.71 × 4,783.12
  4. Step 4: Simplify right side
    14,143.06x = 101,472,570.10
  5. Step 5: Solve for x
    x = 101,472,570.10/14,143.06
  6. Step 6: Final answer
    x = 7,174.73

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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.