Home / 13,925.87-20,883.60-5,603.07

Finding the Fourth Proportional to 13,925.87, 20,883.60 and 5,603.07

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Solution

The fourth proportional to 13,925.87, 20,883.60 and 5,603.07 is: 8,402.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.87 : 20,883.60 = 5,603.07 : x
  2. Step 2: Convert to fraction form
    13,925.87/20,883.60 = 5,603.07/x
  3. Step 3: Cross multiply
    13,925.87x = 20,883.60 × 5,603.07
  4. Step 4: Simplify right side
    13,925.87x = 117,012,272.65
  5. Step 5: Solve for x
    x = 117,012,272.65/13,925.87
  6. Step 6: Final answer
    x = 8,402.51

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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.