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Finding the Fourth Proportional to 17,588.61, 26,393.31 and 6,503.09

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Solution

The fourth proportional to 17,588.61, 26,393.31 and 6,503.09 is: 9,758.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,588.61 : 26,393.31 = 6,503.09 : x
  2. Step 2: Convert to fraction form
    17,588.61/26,393.31 = 6,503.09/x
  3. Step 3: Cross multiply
    17,588.61x = 26,393.31 × 6,503.09
  4. Step 4: Simplify right side
    17,588.61x = 171,637,938.36
  5. Step 5: Solve for x
    x = 171,637,938.36/17,588.61
  6. Step 6: Final answer
    x = 9,758.47

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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.