Home / 10,312.95-15,471.99-2,917.38

Finding the Fourth Proportional to 10,312.95, 15,471.99 and 2,917.38

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Solution

The fourth proportional to 10,312.95, 15,471.99 and 2,917.38 is: 4,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.95 : 15,471.99 = 2,917.38 : x
  2. Step 2: Convert to fraction form
    10,312.95/15,471.99 = 2,917.38/x
  3. Step 3: Cross multiply
    10,312.95x = 15,471.99 × 2,917.38
  4. Step 4: Simplify right side
    10,312.95x = 45,137,674.19
  5. Step 5: Solve for x
    x = 45,137,674.19/10,312.95
  6. Step 6: Final answer
    x = 4,376.80

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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.