Home / 14,221.76-21,332.69-4,361.00

Finding the Fourth Proportional to 14,221.76, 21,332.69 and 4,361.00

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Solution

The fourth proportional to 14,221.76, 21,332.69 and 4,361.00 is: 6,541.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.76 : 21,332.69 = 4,361.00 : x
  2. Step 2: Convert to fraction form
    14,221.76/21,332.69 = 4,361.00/x
  3. Step 3: Cross multiply
    14,221.76x = 21,332.69 × 4,361.00
  4. Step 4: Simplify right side
    14,221.76x = 93,031,732.62
  5. Step 5: Solve for x
    x = 93,031,732.62/14,221.76
  6. Step 6: Final answer
    x = 6,541.51

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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.