Home / 13,126.56-19,689.68-4,806.39

Finding the Fourth Proportional to 13,126.56, 19,689.68 and 4,806.39

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Solution

The fourth proportional to 13,126.56, 19,689.68 and 4,806.39 is: 7,209.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.56 : 19,689.68 = 4,806.39 : x
  2. Step 2: Convert to fraction form
    13,126.56/19,689.68 = 4,806.39/x
  3. Step 3: Cross multiply
    13,126.56x = 19,689.68 × 4,806.39
  4. Step 4: Simplify right side
    13,126.56x = 94,636,256.15
  5. Step 5: Solve for x
    x = 94,636,256.15/13,126.56
  6. Step 6: Final answer
    x = 7,209.53

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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.