Home / 13,681.48-20,510.22-4,795.38

Finding the Fourth Proportional to 13,681.48, 20,510.22 and 4,795.38

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Solution

The fourth proportional to 13,681.48, 20,510.22 and 4,795.38 is: 7,188.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,681.48 : 20,510.22 = 4,795.38 : x
  2. Step 2: Convert to fraction form
    13,681.48/20,510.22 = 4,795.38/x
  3. Step 3: Cross multiply
    13,681.48x = 20,510.22 × 4,795.38
  4. Step 4: Simplify right side
    13,681.48x = 98,354,298.78
  5. Step 5: Solve for x
    x = 98,354,298.78/13,681.48
  6. Step 6: Final answer
    x = 7,188.86

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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.