Home / 10,686.16-16,029.24-7,011.64

Finding the Fourth Proportional to 10,686.16, 16,029.24 and 7,011.64

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Solution

The fourth proportional to 10,686.16, 16,029.24 and 7,011.64 is: 10,517.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.16 : 16,029.24 = 7,011.64 : x
  2. Step 2: Convert to fraction form
    10,686.16/16,029.24 = 7,011.64/x
  3. Step 3: Cross multiply
    10,686.16x = 16,029.24 × 7,011.64
  4. Step 4: Simplify right side
    10,686.16x = 112,391,260.35
  5. Step 5: Solve for x
    x = 112,391,260.35/10,686.16
  6. Step 6: Final answer
    x = 10,517.46

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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.