Home / 18,867.02-28,304.46-7,774.52

Finding the Fourth Proportional to 18,867.02, 28,304.46 and 7,774.52

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Solution

The fourth proportional to 18,867.02, 28,304.46 and 7,774.52 is: 11,663.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,867.02 : 28,304.46 = 7,774.52 : x
  2. Step 2: Convert to fraction form
    18,867.02/28,304.46 = 7,774.52/x
  3. Step 3: Cross multiply
    18,867.02x = 28,304.46 × 7,774.52
  4. Step 4: Simplify right side
    18,867.02x = 220,053,448.84
  5. Step 5: Solve for x
    x = 220,053,448.84/18,867.02
  6. Step 6: Final answer
    x = 11,663.40

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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.