Home / 15,620.04-21,555.36-8,546.58

Finding the Fourth Proportional to 15,620.04, 21,555.36 and 8,546.58

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Solution

The fourth proportional to 15,620.04, 21,555.36 and 8,546.58 is: 11,794.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,620.04 : 21,555.36 = 8,546.58 : x
  2. Step 2: Convert to fraction form
    15,620.04/21,555.36 = 8,546.58/x
  3. Step 3: Cross multiply
    15,620.04x = 21,555.36 × 8,546.58
  4. Step 4: Simplify right side
    15,620.04x = 184,224,608.67
  5. Step 5: Solve for x
    x = 184,224,608.67/15,620.04
  6. Step 6: Final answer
    x = 11,794.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.