Home / 14,277.47-19,701.72-8,534.79

Finding the Fourth Proportional to 14,277.47, 19,701.72 and 8,534.79

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Solution

The fourth proportional to 14,277.47, 19,701.72 and 8,534.79 is: 11,777.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.47 : 19,701.72 = 8,534.79 : x
  2. Step 2: Convert to fraction form
    14,277.47/19,701.72 = 8,534.79/x
  3. Step 3: Cross multiply
    14,277.47x = 19,701.72 × 8,534.79
  4. Step 4: Simplify right side
    14,277.47x = 168,150,042.84
  5. Step 5: Solve for x
    x = 168,150,042.84/14,277.47
  6. Step 6: Final answer
    x = 11,777.30

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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.