Home / 13,382.93-20,074.21-4,148.93

Finding the Fourth Proportional to 13,382.93, 20,074.21 and 4,148.93

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Solution

The fourth proportional to 13,382.93, 20,074.21 and 4,148.93 is: 6,223.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382.93 : 20,074.21 = 4,148.93 : x
  2. Step 2: Convert to fraction form
    13,382.93/20,074.21 = 4,148.93/x
  3. Step 3: Cross multiply
    13,382.93x = 20,074.21 × 4,148.93
  4. Step 4: Simplify right side
    13,382.93x = 83,286,492.10
  5. Step 5: Solve for x
    x = 83,286,492.10/13,382.93
  6. Step 6: Final answer
    x = 6,223.34

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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.