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Finding the Fourth Proportional to 17,758.50, 24,506.73 and 13,051.59

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Solution

The fourth proportional to 17,758.50, 24,506.73 and 13,051.59 is: 18,011.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,758.50 : 24,506.73 = 13,051.59 : x
  2. Step 2: Convert to fraction form
    17,758.50/24,506.73 = 13,051.59/x
  3. Step 3: Cross multiply
    17,758.50x = 24,506.73 × 13,051.59
  4. Step 4: Simplify right side
    17,758.50x = 319,851,792.20
  5. Step 5: Solve for x
    x = 319,851,792.20/17,758.50
  6. Step 6: Final answer
    x = 18,011.19

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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.