Home / 19,076.30-28,606.35-9,218.60

Finding the Fourth Proportional to 19,076.30, 28,606.35 and 9,218.60

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Solution

The fourth proportional to 19,076.30, 28,606.35 and 9,218.60 is: 13,823.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,076.30 : 28,606.35 = 9,218.60 : x
  2. Step 2: Convert to fraction form
    19,076.30/28,606.35 = 9,218.60/x
  3. Step 3: Cross multiply
    19,076.30x = 28,606.35 × 9,218.60
  4. Step 4: Simplify right side
    19,076.30x = 263,710,498.11
  5. Step 5: Solve for x
    x = 263,710,498.11/19,076.30
  6. Step 6: Final answer
    x = 13,823.99

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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.