Home / 13,440.32-20,160.45-4,675.22

Finding the Fourth Proportional to 13,440.32, 20,160.45 and 4,675.22

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Solution

The fourth proportional to 13,440.32, 20,160.45 and 4,675.22 is: 7,012.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440.32 : 20,160.45 = 4,675.22 : x
  2. Step 2: Convert to fraction form
    13,440.32/20,160.45 = 4,675.22/x
  3. Step 3: Cross multiply
    13,440.32x = 20,160.45 × 4,675.22
  4. Step 4: Simplify right side
    13,440.32x = 94,254,539.05
  5. Step 5: Solve for x
    x = 94,254,539.05/13,440.32
  6. Step 6: Final answer
    x = 7,012.82

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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.