Home / 9,945.15-14,910.22-8,574.63

Finding the Fourth Proportional to 9,945.15, 14,910.22 and 8,574.63

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Solution

The fourth proportional to 9,945.15, 14,910.22 and 8,574.63 is: 12,855.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,945.15 : 14,910.22 = 8,574.63 : x
  2. Step 2: Convert to fraction form
    9,945.15/14,910.22 = 8,574.63/x
  3. Step 3: Cross multiply
    9,945.15x = 14,910.22 × 8,574.63
  4. Step 4: Simplify right side
    9,945.15x = 127,849,619.72
  5. Step 5: Solve for x
    x = 127,849,619.72/9,945.15
  6. Step 6: Final answer
    x = 12,855.47

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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.