Home / 14,978.66-20,661.38-9,599.28

Finding the Fourth Proportional to 14,978.66, 20,661.38 and 9,599.28

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Solution

The fourth proportional to 14,978.66, 20,661.38 and 9,599.28 is: 13,241.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,978.66 : 20,661.38 = 9,599.28 : x
  2. Step 2: Convert to fraction form
    14,978.66/20,661.38 = 9,599.28/x
  3. Step 3: Cross multiply
    14,978.66x = 20,661.38 × 9,599.28
  4. Step 4: Simplify right side
    14,978.66x = 198,334,323.81
  5. Step 5: Solve for x
    x = 198,334,323.81/14,978.66
  6. Step 6: Final answer
    x = 13,241.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.