Home / 9,612.49-13,245.55-7,090.61

Finding the Fourth Proportional to 9,612.49, 13,245.55 and 7,090.61

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Solution

The fourth proportional to 9,612.49, 13,245.55 and 7,090.61 is: 9,770.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,612.49 : 13,245.55 = 7,090.61 : x
  2. Step 2: Convert to fraction form
    9,612.49/13,245.55 = 7,090.61/x
  3. Step 3: Cross multiply
    9,612.49x = 13,245.55 × 7,090.61
  4. Step 4: Simplify right side
    9,612.49x = 93,918,963.06
  5. Step 5: Solve for x
    x = 93,918,963.06/9,612.49
  6. Step 6: Final answer
    x = 9,770.51

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Double scale
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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.