Home / 15,094.53-20,817.66-9,717.90

Finding the Fourth Proportional to 15,094.53, 20,817.66 and 9,717.90

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Solution

The fourth proportional to 15,094.53, 20,817.66 and 9,717.90 is: 13,402.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,094.53 : 20,817.66 = 9,717.90 : x
  2. Step 2: Convert to fraction form
    15,094.53/20,817.66 = 9,717.90/x
  3. Step 3: Cross multiply
    15,094.53x = 20,817.66 × 9,717.90
  4. Step 4: Simplify right side
    15,094.53x = 202,303,938.11
  5. Step 5: Solve for x
    x = 202,303,938.11/15,094.53
  6. Step 6: Final answer
    x = 13,402.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.