Home / 13,440.51-20,160.86-4,675.43

Finding the Fourth Proportional to 13,440.51, 20,160.86 and 4,675.43

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Solution

The fourth proportional to 13,440.51, 20,160.86 and 4,675.43 is: 7,013.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440.51 : 20,160.86 = 4,675.43 : x
  2. Step 2: Convert to fraction form
    13,440.51/20,160.86 = 4,675.43/x
  3. Step 3: Cross multiply
    13,440.51x = 20,160.86 × 4,675.43
  4. Step 4: Simplify right side
    13,440.51x = 94,260,689.67
  5. Step 5: Solve for x
    x = 94,260,689.67/13,440.51
  6. Step 6: Final answer
    x = 7,013.18

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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.