Home / 10,316.06-15,471.75-2,918.53

Finding the Fourth Proportional to 10,316.06, 15,471.75 and 2,918.53

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Solution

The fourth proportional to 10,316.06, 15,471.75 and 2,918.53 is: 4,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.06 : 15,471.75 = 2,918.53 : x
  2. Step 2: Convert to fraction form
    10,316.06/15,471.75 = 2,918.53/x
  3. Step 3: Cross multiply
    10,316.06x = 15,471.75 × 2,918.53
  4. Step 4: Simplify right side
    10,316.06x = 45,154,689.17
  5. Step 5: Solve for x
    x = 45,154,689.17/10,316.06
  6. Step 6: Final answer
    x = 4,377.13

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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.