Home / 11,767.04-17,617.60-8,637.20

Finding the Fourth Proportional to 11,767.04, 17,617.60 and 8,637.20

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Solution

The fourth proportional to 11,767.04, 17,617.60 and 8,637.20 is: 12,931.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,767.04 : 17,617.60 = 8,637.20 : x
  2. Step 2: Convert to fraction form
    11,767.04/17,617.60 = 8,637.20/x
  3. Step 3: Cross multiply
    11,767.04x = 17,617.60 × 8,637.20
  4. Step 4: Simplify right side
    11,767.04x = 152,166,734.72
  5. Step 5: Solve for x
    x = 152,166,734.72/11,767.04
  6. Step 6: Final answer
    x = 12,931.61

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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.