Home / 9,995.03-13,792.86-5,518.70

Finding the Fourth Proportional to 9,995.03, 13,792.86 and 5,518.70

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Solution

The fourth proportional to 9,995.03, 13,792.86 and 5,518.70 is: 7,615.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.03 : 13,792.86 = 5,518.70 : x
  2. Step 2: Convert to fraction form
    9,995.03/13,792.86 = 5,518.70/x
  3. Step 3: Cross multiply
    9,995.03x = 13,792.86 × 5,518.70
  4. Step 4: Simplify right side
    9,995.03x = 76,118,656.48
  5. Step 5: Solve for x
    x = 76,118,656.48/9,995.03
  6. Step 6: Final answer
    x = 7,615.65

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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.