Home / 9,621.89-14,421.04-5,465.39

Finding the Fourth Proportional to 9,621.89, 14,421.04 and 5,465.39

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Solution

The fourth proportional to 9,621.89, 14,421.04 and 5,465.39 is: 8,191.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.89 : 14,421.04 = 5,465.39 : x
  2. Step 2: Convert to fraction form
    9,621.89/14,421.04 = 5,465.39/x
  3. Step 3: Cross multiply
    9,621.89x = 14,421.04 × 5,465.39
  4. Step 4: Simplify right side
    9,621.89x = 78,816,607.81
  5. Step 5: Solve for x
    x = 78,816,607.81/9,621.89
  6. Step 6: Final answer
    x = 8,191.39

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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.