Home / 15,415.56-23,136.30-6,657.16

Finding the Fourth Proportional to 15,415.56, 23,136.30 and 6,657.16

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Solution

The fourth proportional to 15,415.56, 23,136.30 and 6,657.16 is: 9,991.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415.56 : 23,136.30 = 6,657.16 : x
  2. Step 2: Convert to fraction form
    15,415.56/23,136.30 = 6,657.16/x
  3. Step 3: Cross multiply
    15,415.56x = 23,136.30 × 6,657.16
  4. Step 4: Simplify right side
    15,415.56x = 154,022,050.91
  5. Step 5: Solve for x
    x = 154,022,050.91/15,415.56
  6. Step 6: Final answer
    x = 9,991.34

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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.