Home / 13,923.62-20,886.27-5,603.60

Finding the Fourth Proportional to 13,923.62, 20,886.27 and 5,603.60

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Solution

The fourth proportional to 13,923.62, 20,886.27 and 5,603.60 is: 8,405.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.62 : 20,886.27 = 5,603.60 : x
  2. Step 2: Convert to fraction form
    13,923.62/20,886.27 = 5,603.60/x
  3. Step 3: Cross multiply
    13,923.62x = 20,886.27 × 5,603.60
  4. Step 4: Simplify right side
    13,923.62x = 117,038,302.57
  5. Step 5: Solve for x
    x = 117,038,302.57/13,923.62
  6. Step 6: Final answer
    x = 8,405.74

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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.