Home / 10,865.97-14,992.59-6,619.23

Finding the Fourth Proportional to 10,865.97, 14,992.59 and 6,619.23

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Solution

The fourth proportional to 10,865.97, 14,992.59 and 6,619.23 is: 9,133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.97 : 14,992.59 = 6,619.23 : x
  2. Step 2: Convert to fraction form
    10,865.97/14,992.59 = 6,619.23/x
  3. Step 3: Cross multiply
    10,865.97x = 14,992.59 × 6,619.23
  4. Step 4: Simplify right side
    10,865.97x = 99,239,401.51
  5. Step 5: Solve for x
    x = 99,239,401.51/10,865.97
  6. Step 6: Final answer
    x = 9,133.05

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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.