Home / 15,132.72-22,699.80-8,109.84

Finding the Fourth Proportional to 15,132.72, 22,699.80 and 8,109.84

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Solution

The fourth proportional to 15,132.72, 22,699.80 and 8,109.84 is: 12,165.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132.72 : 22,699.80 = 8,109.84 : x
  2. Step 2: Convert to fraction form
    15,132.72/22,699.80 = 8,109.84/x
  3. Step 3: Cross multiply
    15,132.72x = 22,699.80 × 8,109.84
  4. Step 4: Simplify right side
    15,132.72x = 184,091,746.03
  5. Step 5: Solve for x
    x = 184,091,746.03/15,132.72
  6. Step 6: Final answer
    x = 12,165.15

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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.