Home / 9,415.12-14,114.16-4,479.76

Finding the Fourth Proportional to 9,415.12, 14,114.16 and 4,479.76

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Solution

The fourth proportional to 9,415.12, 14,114.16 and 4,479.76 is: 6,715.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415.12 : 14,114.16 = 4,479.76 : x
  2. Step 2: Convert to fraction form
    9,415.12/14,114.16 = 4,479.76/x
  3. Step 3: Cross multiply
    9,415.12x = 14,114.16 × 4,479.76
  4. Step 4: Simplify right side
    9,415.12x = 63,228,049.40
  5. Step 5: Solve for x
    x = 63,228,049.40/9,415.12
  6. Step 6: Final answer
    x = 6,715.59

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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.