Home / 10,864.14-16,284.20-7,111.41

Finding the Fourth Proportional to 10,864.14, 16,284.20 and 7,111.41

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Solution

The fourth proportional to 10,864.14, 16,284.20 and 7,111.41 is: 10,659.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,864.14 : 16,284.20 = 7,111.41 : x
  2. Step 2: Convert to fraction form
    10,864.14/16,284.20 = 7,111.41/x
  3. Step 3: Cross multiply
    10,864.14x = 16,284.20 × 7,111.41
  4. Step 4: Simplify right side
    10,864.14x = 115,803,587.16
  5. Step 5: Solve for x
    x = 115,803,587.16/10,864.14
  6. Step 6: Final answer
    x = 10,659.25

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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.