Home / 15,388.90-23,069.46-5,525.86

Finding the Fourth Proportional to 15,388.90, 23,069.46 and 5,525.86

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Solution

The fourth proportional to 15,388.90, 23,069.46 and 5,525.86 is: 8,283.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,388.90 : 23,069.46 = 5,525.86 : x
  2. Step 2: Convert to fraction form
    15,388.90/23,069.46 = 5,525.86/x
  3. Step 3: Cross multiply
    15,388.90x = 23,069.46 × 5,525.86
  4. Step 4: Simplify right side
    15,388.90x = 127,478,606.24
  5. Step 5: Solve for x
    x = 127,478,606.24/15,388.90
  6. Step 6: Final answer
    x = 8,283.80

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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.