Home / 21,913.07-32,871.42-9,433.40

Finding the Fourth Proportional to 21,913.07, 32,871.42 and 9,433.40

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Solution

The fourth proportional to 21,913.07, 32,871.42 and 9,433.40 is: 14,150.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,913.07 : 32,871.42 = 9,433.40 : x
  2. Step 2: Convert to fraction form
    21,913.07/32,871.42 = 9,433.40/x
  3. Step 3: Cross multiply
    21,913.07x = 32,871.42 × 9,433.40
  4. Step 4: Simplify right side
    21,913.07x = 310,089,089.07
  5. Step 5: Solve for x
    x = 310,089,089.07/21,913.07
  6. Step 6: Final answer
    x = 14,150.88

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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.