Home / 13,125.18-19,688.94-4,360.17

Finding the Fourth Proportional to 13,125.18, 19,688.94 and 4,360.17

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Solution

The fourth proportional to 13,125.18, 19,688.94 and 4,360.17 is: 6,540.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.18 : 19,688.94 = 4,360.17 : x
  2. Step 2: Convert to fraction form
    13,125.18/19,688.94 = 4,360.17/x
  3. Step 3: Cross multiply
    13,125.18x = 19,688.94 × 4,360.17
  4. Step 4: Simplify right side
    13,125.18x = 85,847,125.52
  5. Step 5: Solve for x
    x = 85,847,125.52/13,125.18
  6. Step 6: Final answer
    x = 6,540.64

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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.