Home / 13,730.07-20,587.73-4,367.55

Finding the Fourth Proportional to 13,730.07, 20,587.73 and 4,367.55

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Solution

The fourth proportional to 13,730.07, 20,587.73 and 4,367.55 is: 6,548.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,730.07 : 20,587.73 = 4,367.55 : x
  2. Step 2: Convert to fraction form
    13,730.07/20,587.73 = 4,367.55/x
  3. Step 3: Cross multiply
    13,730.07x = 20,587.73 × 4,367.55
  4. Step 4: Simplify right side
    13,730.07x = 89,917,918.32
  5. Step 5: Solve for x
    x = 89,917,918.32/13,730.07
  6. Step 6: Final answer
    x = 6,548.98

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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.