Home / 14,138.32-21,206.56-5,373.01

Finding the Fourth Proportional to 14,138.32, 21,206.56 and 5,373.01

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Solution

The fourth proportional to 14,138.32, 21,206.56 and 5,373.01 is: 8,059.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,138.32 : 21,206.56 = 5,373.01 : x
  2. Step 2: Convert to fraction form
    14,138.32/21,206.56 = 5,373.01/x
  3. Step 3: Cross multiply
    14,138.32x = 21,206.56 × 5,373.01
  4. Step 4: Simplify right side
    14,138.32x = 113,943,058.95
  5. Step 5: Solve for x
    x = 113,943,058.95/14,138.32
  6. Step 6: Final answer
    x = 8,059.17

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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.