Home / 15,491.42-23,260.82-13,657.98

Finding the Fourth Proportional to 15,491.42, 23,260.82 and 13,657.98

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Solution

The fourth proportional to 15,491.42, 23,260.82 and 13,657.98 is: 20,507.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,491.42 : 23,260.82 = 13,657.98 : x
  2. Step 2: Convert to fraction form
    15,491.42/23,260.82 = 13,657.98/x
  3. Step 3: Cross multiply
    15,491.42x = 23,260.82 × 13,657.98
  4. Step 4: Simplify right side
    15,491.42x = 317,695,746.05
  5. Step 5: Solve for x
    x = 317,695,746.05/15,491.42
  6. Step 6: Final answer
    x = 20,507.86

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1.5x scale

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.