Home / 13,709.03-18,908.68-9,461.70

Finding the Fourth Proportional to 13,709.03, 18,908.68 and 9,461.70

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Solution

The fourth proportional to 13,709.03, 18,908.68 and 9,461.70 is: 13,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709.03 : 18,908.68 = 9,461.70 : x
  2. Step 2: Convert to fraction form
    13,709.03/18,908.68 = 9,461.70/x
  3. Step 3: Cross multiply
    13,709.03x = 18,908.68 × 9,461.70
  4. Step 4: Simplify right side
    13,709.03x = 178,908,257.56
  5. Step 5: Solve for x
    x = 178,908,257.56/13,709.03
  6. Step 6: Final answer
    x = 13,050.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.