Home / 10,316.32-15,472.50-2,918.99

Finding the Fourth Proportional to 10,316.32, 15,472.50 and 2,918.99

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Solution

The fourth proportional to 10,316.32, 15,472.50 and 2,918.99 is: 4,377.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.32 : 15,472.50 = 2,918.99 : x
  2. Step 2: Convert to fraction form
    10,316.32/15,472.50 = 2,918.99/x
  3. Step 3: Cross multiply
    10,316.32x = 15,472.50 × 2,918.99
  4. Step 4: Simplify right side
    10,316.32x = 45,164,116.93
  5. Step 5: Solve for x
    x = 45,164,116.93/10,316.32
  6. Step 6: Final answer
    x = 4,377.93

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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.