Home / 10,666.53-14,718.14-6,189.36

Finding the Fourth Proportional to 10,666.53, 14,718.14 and 6,189.36

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Solution

The fourth proportional to 10,666.53, 14,718.14 and 6,189.36 is: 8,540.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.53 : 14,718.14 = 6,189.36 : x
  2. Step 2: Convert to fraction form
    10,666.53/14,718.14 = 6,189.36/x
  3. Step 3: Cross multiply
    10,666.53x = 14,718.14 × 6,189.36
  4. Step 4: Simplify right side
    10,666.53x = 91,095,836.04
  5. Step 5: Solve for x
    x = 91,095,836.04/10,666.53
  6. Step 6: Final answer
    x = 8,540.34

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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.