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Finding the Fourth Proportional to 19,141.29, 28,714.10 and 8,750.25

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Solution

The fourth proportional to 19,141.29, 28,714.10 and 8,750.25 is: 13,126.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141.29 : 28,714.10 = 8,750.25 : x
  2. Step 2: Convert to fraction form
    19,141.29/28,714.10 = 8,750.25/x
  3. Step 3: Cross multiply
    19,141.29x = 28,714.10 × 8,750.25
  4. Step 4: Simplify right side
    19,141.29x = 251,255,509.77
  5. Step 5: Solve for x
    x = 251,255,509.77/19,141.29
  6. Step 6: Final answer
    x = 13,126.36

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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.