Home / 10,316.95-15,464.38-4,763.83

Finding the Fourth Proportional to 10,316.95, 15,464.38 and 4,763.83

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Solution

The fourth proportional to 10,316.95, 15,464.38 and 4,763.83 is: 7,140.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.95 : 15,464.38 = 4,763.83 : x
  2. Step 2: Convert to fraction form
    10,316.95/15,464.38 = 4,763.83/x
  3. Step 3: Cross multiply
    10,316.95x = 15,464.38 × 4,763.83
  4. Step 4: Simplify right side
    10,316.95x = 73,669,677.38
  5. Step 5: Solve for x
    x = 73,669,677.38/10,316.95
  6. Step 6: Final answer
    x = 7,140.64

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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.