Home / 13,740.14-20,610.22-4,973.02

Finding the Fourth Proportional to 13,740.14, 20,610.22 and 4,973.02

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Solution

The fourth proportional to 13,740.14, 20,610.22 and 4,973.02 is: 7,459.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,740.14 : 20,610.22 = 4,973.02 : x
  2. Step 2: Convert to fraction form
    13,740.14/20,610.22 = 4,973.02/x
  3. Step 3: Cross multiply
    13,740.14x = 20,610.22 × 4,973.02
  4. Step 4: Simplify right side
    13,740.14x = 102,495,036.26
  5. Step 5: Solve for x
    x = 102,495,036.26/13,740.14
  6. Step 6: Final answer
    x = 7,459.53

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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.