Home / 14,272.23-19,697.54-7,986.63

Finding the Fourth Proportional to 14,272.23, 19,697.54 and 7,986.63

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Solution

The fourth proportional to 14,272.23, 19,697.54 and 7,986.63 is: 11,022.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.23 : 19,697.54 = 7,986.63 : x
  2. Step 2: Convert to fraction form
    14,272.23/19,697.54 = 7,986.63/x
  3. Step 3: Cross multiply
    14,272.23x = 19,697.54 × 7,986.63
  4. Step 4: Simplify right side
    14,272.23x = 157,316,963.89
  5. Step 5: Solve for x
    x = 157,316,963.89/14,272.23
  6. Step 6: Final answer
    x = 11,022.59

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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.