Home / 10,859.64-14,985.41-6,383.58

Finding the Fourth Proportional to 10,859.64, 14,985.41 and 6,383.58

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Solution

The fourth proportional to 10,859.64, 14,985.41 and 6,383.58 is: 8,808.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,859.64 : 14,985.41 = 6,383.58 : x
  2. Step 2: Convert to fraction form
    10,859.64/14,985.41 = 6,383.58/x
  3. Step 3: Cross multiply
    10,859.64x = 14,985.41 × 6,383.58
  4. Step 4: Simplify right side
    10,859.64x = 95,660,531.65
  5. Step 5: Solve for x
    x = 95,660,531.65/10,859.64
  6. Step 6: Final answer
    x = 8,808.81

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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.