Home / 13,602.43-20,407.56-4,838.05

Finding the Fourth Proportional to 13,602.43, 20,407.56 and 4,838.05

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Solution

The fourth proportional to 13,602.43, 20,407.56 and 4,838.05 is: 7,258.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,602.43 : 20,407.56 = 4,838.05 : x
  2. Step 2: Convert to fraction form
    13,602.43/20,407.56 = 4,838.05/x
  3. Step 3: Cross multiply
    13,602.43x = 20,407.56 × 4,838.05
  4. Step 4: Simplify right side
    13,602.43x = 98,732,795.66
  5. Step 5: Solve for x
    x = 98,732,795.66/13,602.43
  6. Step 6: Final answer
    x = 7,258.47

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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.