Home / 10,253.64-15,381.74-4,012.85

Finding the Fourth Proportional to 10,253.64, 15,381.74 and 4,012.85

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Solution

The fourth proportional to 10,253.64, 15,381.74 and 4,012.85 is: 6,019.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.64 : 15,381.74 = 4,012.85 : x
  2. Step 2: Convert to fraction form
    10,253.64/15,381.74 = 4,012.85/x
  3. Step 3: Cross multiply
    10,253.64x = 15,381.74 × 4,012.85
  4. Step 4: Simplify right side
    10,253.64x = 61,724,555.69
  5. Step 5: Solve for x
    x = 61,724,555.69/10,253.64
  6. Step 6: Final answer
    x = 6,019.77

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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.