Home / 10,376.76-15,567.45-2,980.64

Finding the Fourth Proportional to 10,376.76, 15,567.45 and 2,980.64

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Solution

The fourth proportional to 10,376.76, 15,567.45 and 2,980.64 is: 4,471.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.76 : 15,567.45 = 2,980.64 : x
  2. Step 2: Convert to fraction form
    10,376.76/15,567.45 = 2,980.64/x
  3. Step 3: Cross multiply
    10,376.76x = 15,567.45 × 2,980.64
  4. Step 4: Simplify right side
    10,376.76x = 46,400,964.17
  5. Step 5: Solve for x
    x = 46,400,964.17/10,376.76
  6. Step 6: Final answer
    x = 4,471.62

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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.