Home / 10,254.42-15,378.24-4,012.82

Finding the Fourth Proportional to 10,254.42, 15,378.24 and 4,012.82

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Solution

The fourth proportional to 10,254.42, 15,378.24 and 4,012.82 is: 6,017.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,254.42 : 15,378.24 = 4,012.82 : x
  2. Step 2: Convert to fraction form
    10,254.42/15,378.24 = 4,012.82/x
  3. Step 3: Cross multiply
    10,254.42x = 15,378.24 × 4,012.82
  4. Step 4: Simplify right side
    10,254.42x = 61,710,109.04
  5. Step 5: Solve for x
    x = 61,710,109.04/10,254.42
  6. Step 6: Final answer
    x = 6,017.90

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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.