Home / 16,975.47-23,425.71-9,421.79

Finding the Fourth Proportional to 16,975.47, 23,425.71 and 9,421.79

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Solution

The fourth proportional to 16,975.47, 23,425.71 and 9,421.79 is: 13,001.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,975.47 : 23,425.71 = 9,421.79 : x
  2. Step 2: Convert to fraction form
    16,975.47/23,425.71 = 9,421.79/x
  3. Step 3: Cross multiply
    16,975.47x = 23,425.71 × 9,421.79
  4. Step 4: Simplify right side
    16,975.47x = 220,711,967.76
  5. Step 5: Solve for x
    x = 220,711,967.76/16,975.47
  6. Step 6: Final answer
    x = 13,001.81

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