Home / 13,767.04-19,001.28-8,176.96

Finding the Fourth Proportional to 13,767.04, 19,001.28 and 8,176.96

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Solution

The fourth proportional to 13,767.04, 19,001.28 and 8,176.96 is: 11,285.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.04 : 19,001.28 = 8,176.96 : x
  2. Step 2: Convert to fraction form
    13,767.04/19,001.28 = 8,176.96/x
  3. Step 3: Cross multiply
    13,767.04x = 19,001.28 × 8,176.96
  4. Step 4: Simplify right side
    13,767.04x = 155,372,706.51
  5. Step 5: Solve for x
    x = 155,372,706.51/13,767.04
  6. Step 6: Final answer
    x = 11,285.85

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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.