Home / 10,564.34-15,830.87-4,316.81

Finding the Fourth Proportional to 10,564.34, 15,830.87 and 4,316.81

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Solution

The fourth proportional to 10,564.34, 15,830.87 and 4,316.81 is: 6,468.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,564.34 : 15,830.87 = 4,316.81 : x
  2. Step 2: Convert to fraction form
    10,564.34/15,830.87 = 4,316.81/x
  3. Step 3: Cross multiply
    10,564.34x = 15,830.87 × 4,316.81
  4. Step 4: Simplify right side
    10,564.34x = 68,338,757.19
  5. Step 5: Solve for x
    x = 68,338,757.19/10,564.34
  6. Step 6: Final answer
    x = 6,468.82

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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.