Home / 10,306.37-15,459.55-2,515.19

Finding the Fourth Proportional to 10,306.37, 15,459.55 and 2,515.19

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Solution

The fourth proportional to 10,306.37, 15,459.55 and 2,515.19 is: 3,772.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.37 : 15,459.55 = 2,515.19 : x
  2. Step 2: Convert to fraction form
    10,306.37/15,459.55 = 2,515.19/x
  3. Step 3: Cross multiply
    10,306.37x = 15,459.55 × 2,515.19
  4. Step 4: Simplify right side
    10,306.37x = 38,883,621.98
  5. Step 5: Solve for x
    x = 38,883,621.98/10,306.37
  6. Step 6: Final answer
    x = 3,772.77

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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.