Home / 18,950.79-28,427.54-5,801.46

Finding the Fourth Proportional to 18,950.79, 28,427.54 and 5,801.46

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Solution

The fourth proportional to 18,950.79, 28,427.54 and 5,801.46 is: 8,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,950.79 : 28,427.54 = 5,801.46 : x
  2. Step 2: Convert to fraction form
    18,950.79/28,427.54 = 5,801.46/x
  3. Step 3: Cross multiply
    18,950.79x = 28,427.54 × 5,801.46
  4. Step 4: Simplify right side
    18,950.79x = 164,921,207.20
  5. Step 5: Solve for x
    x = 164,921,207.20/18,950.79
  6. Step 6: Final answer
    x = 8,702.60

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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.