Home / 14,304.74-21,460.83-5,420.13

Finding the Fourth Proportional to 14,304.74, 21,460.83 and 5,420.13

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Solution

The fourth proportional to 14,304.74, 21,460.83 and 5,420.13 is: 8,131.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,304.74 : 21,460.83 = 5,420.13 : x
  2. Step 2: Convert to fraction form
    14,304.74/21,460.83 = 5,420.13/x
  3. Step 3: Cross multiply
    14,304.74x = 21,460.83 × 5,420.13
  4. Step 4: Simplify right side
    14,304.74x = 116,320,488.51
  5. Step 5: Solve for x
    x = 116,320,488.51/14,304.74
  6. Step 6: Final answer
    x = 8,131.61

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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.