Home / 10,206.03-15,294.78-5,515.93

Finding the Fourth Proportional to 10,206.03, 15,294.78 and 5,515.93

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Solution

The fourth proportional to 10,206.03, 15,294.78 and 5,515.93 is: 8,266.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.03 : 15,294.78 = 5,515.93 : x
  2. Step 2: Convert to fraction form
    10,206.03/15,294.78 = 5,515.93/x
  3. Step 3: Cross multiply
    10,206.03x = 15,294.78 × 5,515.93
  4. Step 4: Simplify right side
    10,206.03x = 84,364,859.37
  5. Step 5: Solve for x
    x = 84,364,859.37/10,206.03
  6. Step 6: Final answer
    x = 8,266.18

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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.