Home / 13,672.46-20,501.59-6,270.55

Finding the Fourth Proportional to 13,672.46, 20,501.59 and 6,270.55

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Solution

The fourth proportional to 13,672.46, 20,501.59 and 6,270.55 is: 9,402.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,672.46 : 20,501.59 = 6,270.55 : x
  2. Step 2: Convert to fraction form
    13,672.46/20,501.59 = 6,270.55/x
  3. Step 3: Cross multiply
    13,672.46x = 20,501.59 × 6,270.55
  4. Step 4: Simplify right side
    13,672.46x = 128,556,245.17
  5. Step 5: Solve for x
    x = 128,556,245.17/13,672.46
  6. Step 6: Final answer
    x = 9,402.57

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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.