Home / 18,521.04-27,775.76-5,374.32

Finding the Fourth Proportional to 18,521.04, 27,775.76 and 5,374.32

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Solution

The fourth proportional to 18,521.04, 27,775.76 and 5,374.32 is: 8,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.04 : 27,775.76 = 5,374.32 : x
  2. Step 2: Convert to fraction form
    18,521.04/27,775.76 = 5,374.32/x
  3. Step 3: Cross multiply
    18,521.04x = 27,775.76 × 5,374.32
  4. Step 4: Simplify right side
    18,521.04x = 149,275,822.48
  5. Step 5: Solve for x
    x = 149,275,822.48/18,521.04
  6. Step 6: Final answer
    x = 8,059.80

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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.