Home / 11,864.55-17,802.36-5,290.05

Finding the Fourth Proportional to 11,864.55, 17,802.36 and 5,290.05

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Solution

The fourth proportional to 11,864.55, 17,802.36 and 5,290.05 is: 7,937.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,864.55 : 17,802.36 = 5,290.05 : x
  2. Step 2: Convert to fraction form
    11,864.55/17,802.36 = 5,290.05/x
  3. Step 3: Cross multiply
    11,864.55x = 17,802.36 × 5,290.05
  4. Step 4: Simplify right side
    11,864.55x = 94,175,374.52
  5. Step 5: Solve for x
    x = 94,175,374.52/11,864.55
  6. Step 6: Final answer
    x = 7,937.54

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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.