Home / 10,703.88-14,771.46-6,455.16

Finding the Fourth Proportional to 10,703.88, 14,771.46 and 6,455.16

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Solution

The fourth proportional to 10,703.88, 14,771.46 and 6,455.16 is: 8,908.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,703.88 : 14,771.46 = 6,455.16 : x
  2. Step 2: Convert to fraction form
    10,703.88/14,771.46 = 6,455.16/x
  3. Step 3: Cross multiply
    10,703.88x = 14,771.46 × 6,455.16
  4. Step 4: Simplify right side
    10,703.88x = 95,352,137.73
  5. Step 5: Solve for x
    x = 95,352,137.73/10,703.88
  6. Step 6: Final answer
    x = 8,908.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.