Home / 14,139.32-21,208.06-5,374.01

Finding the Fourth Proportional to 14,139.32, 21,208.06 and 5,374.01

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Solution

The fourth proportional to 14,139.32, 21,208.06 and 5,374.01 is: 8,060.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,139.32 : 21,208.06 = 5,374.01 : x
  2. Step 2: Convert to fraction form
    14,139.32/21,208.06 = 5,374.01/x
  3. Step 3: Cross multiply
    14,139.32x = 21,208.06 × 5,374.01
  4. Step 4: Simplify right side
    14,139.32x = 113,972,326.52
  5. Step 5: Solve for x
    x = 113,972,326.52/14,139.32
  6. Step 6: Final answer
    x = 8,060.67

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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.