Home / 10,518.27-15,782.94-4,282.89

Finding the Fourth Proportional to 10,518.27, 15,782.94 and 4,282.89

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Solution

The fourth proportional to 10,518.27, 15,782.94 and 4,282.89 is: 6,426.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,518.27 : 15,782.94 = 4,282.89 : x
  2. Step 2: Convert to fraction form
    10,518.27/15,782.94 = 4,282.89/x
  3. Step 3: Cross multiply
    10,518.27x = 15,782.94 × 4,282.89
  4. Step 4: Simplify right side
    10,518.27x = 67,596,595.90
  5. Step 5: Solve for x
    x = 67,596,595.90/10,518.27
  6. Step 6: Final answer
    x = 6,426.59

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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.