Home / 13,374.78-20,062.36-6,355.51

Finding the Fourth Proportional to 13,374.78, 20,062.36 and 6,355.51

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Solution

The fourth proportional to 13,374.78, 20,062.36 and 6,355.51 is: 9,533.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.78 : 20,062.36 = 6,355.51 : x
  2. Step 2: Convert to fraction form
    13,374.78/20,062.36 = 6,355.51/x
  3. Step 3: Cross multiply
    13,374.78x = 20,062.36 × 6,355.51
  4. Step 4: Simplify right side
    13,374.78x = 127,506,622.59
  5. Step 5: Solve for x
    x = 127,506,622.59/13,374.78
  6. Step 6: Final answer
    x = 9,533.36

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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.