Home / 9,472.20-14,216.40-4,215.30

Finding the Fourth Proportional to 9,472.20, 14,216.40 and 4,215.30

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Solution

The fourth proportional to 9,472.20, 14,216.40 and 4,215.30 is: 6,326.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,472.20 : 14,216.40 = 4,215.30 : x
  2. Step 2: Convert to fraction form
    9,472.20/14,216.40 = 4,215.30/x
  3. Step 3: Cross multiply
    9,472.20x = 14,216.40 × 4,215.30
  4. Step 4: Simplify right side
    9,472.20x = 59,926,390.92
  5. Step 5: Solve for x
    x = 59,926,390.92/9,472.20
  6. Step 6: Final answer
    x = 6,326.55

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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.