Home / 13,125.58-19,688.10-4,360.57

Finding the Fourth Proportional to 13,125.58, 19,688.10 and 4,360.57

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Solution

The fourth proportional to 13,125.58, 19,688.10 and 4,360.57 is: 6,540.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.58 : 19,688.10 = 4,360.57 : x
  2. Step 2: Convert to fraction form
    13,125.58/19,688.10 = 4,360.57/x
  3. Step 3: Cross multiply
    13,125.58x = 19,688.10 × 4,360.57
  4. Step 4: Simplify right side
    13,125.58x = 85,851,338.22
  5. Step 5: Solve for x
    x = 85,851,338.22/13,125.58
  6. Step 6: Final answer
    x = 6,540.77

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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.