Home / 19,307.43-28,967.02-9,445.28

Finding the Fourth Proportional to 19,307.43, 28,967.02 and 9,445.28

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Solution

The fourth proportional to 19,307.43, 28,967.02 and 9,445.28 is: 14,170.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,307.43 : 28,967.02 = 9,445.28 : x
  2. Step 2: Convert to fraction form
    19,307.43/28,967.02 = 9,445.28/x
  3. Step 3: Cross multiply
    19,307.43x = 28,967.02 × 9,445.28
  4. Step 4: Simplify right side
    19,307.43x = 273,601,446.22
  5. Step 5: Solve for x
    x = 273,601,446.22/19,307.43
  6. Step 6: Final answer
    x = 14,170.79

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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.