Home / 13,657.48-20,491.13-4,774.11

Finding the Fourth Proportional to 13,657.48, 20,491.13 and 4,774.11

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Solution

The fourth proportional to 13,657.48, 20,491.13 and 4,774.11 is: 7,162.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,657.48 : 20,491.13 = 4,774.11 : x
  2. Step 2: Convert to fraction form
    13,657.48/20,491.13 = 4,774.11/x
  3. Step 3: Cross multiply
    13,657.48x = 20,491.13 × 4,774.11
  4. Step 4: Simplify right side
    13,657.48x = 97,826,908.64
  5. Step 5: Solve for x
    x = 97,826,908.64/13,657.48
  6. Step 6: Final answer
    x = 7,162.88

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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.