Home / 13,486.15-20,228.14-4,600.72

Finding the Fourth Proportional to 13,486.15, 20,228.14 and 4,600.72

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Solution

The fourth proportional to 13,486.15, 20,228.14 and 4,600.72 is: 6,900.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486.15 : 20,228.14 = 4,600.72 : x
  2. Step 2: Convert to fraction form
    13,486.15/20,228.14 = 4,600.72/x
  3. Step 3: Cross multiply
    13,486.15x = 20,228.14 × 4,600.72
  4. Step 4: Simplify right side
    13,486.15x = 93,064,008.26
  5. Step 5: Solve for x
    x = 93,064,008.26/13,486.15
  6. Step 6: Final answer
    x = 6,900.71

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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.