Home / 11,337.14-15,653.04-7,090.04

Finding the Fourth Proportional to 11,337.14, 15,653.04 and 7,090.04

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Solution

The fourth proportional to 11,337.14, 15,653.04 and 7,090.04 is: 9,789.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.14 : 15,653.04 = 7,090.04 : x
  2. Step 2: Convert to fraction form
    11,337.14/15,653.04 = 7,090.04/x
  3. Step 3: Cross multiply
    11,337.14x = 15,653.04 × 7,090.04
  4. Step 4: Simplify right side
    11,337.14x = 110,980,679.72
  5. Step 5: Solve for x
    x = 110,980,679.72/11,337.14
  6. Step 6: Final answer
    x = 9,789.12

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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.