Home / 17,490.79-26,226.46-7,090.39

Finding the Fourth Proportional to 17,490.79, 26,226.46 and 7,090.39

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Solution

The fourth proportional to 17,490.79, 26,226.46 and 7,090.39 is: 10,631.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,490.79 : 26,226.46 = 7,090.39 : x
  2. Step 2: Convert to fraction form
    17,490.79/26,226.46 = 7,090.39/x
  3. Step 3: Cross multiply
    17,490.79x = 26,226.46 × 7,090.39
  4. Step 4: Simplify right side
    17,490.79x = 185,955,829.72
  5. Step 5: Solve for x
    x = 185,955,829.72/17,490.79
  6. Step 6: Final answer
    x = 10,631.64

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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.