Home / 10,253.63-15,381.72-4,012.83

Finding the Fourth Proportional to 10,253.63, 15,381.72 and 4,012.83

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Solution

The fourth proportional to 10,253.63, 15,381.72 and 4,012.83 is: 6,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.63 : 15,381.72 = 4,012.83 : x
  2. Step 2: Convert to fraction form
    10,253.63/15,381.72 = 4,012.83/x
  3. Step 3: Cross multiply
    10,253.63x = 15,381.72 × 4,012.83
  4. Step 4: Simplify right side
    10,253.63x = 61,724,300.20
  5. Step 5: Solve for x
    x = 61,724,300.20/10,253.63
  6. Step 6: Final answer
    x = 6,019.75

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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.