Home / 10,669.40-14,723.68-5,889.40

Finding the Fourth Proportional to 10,669.40, 14,723.68 and 5,889.40

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Solution

The fourth proportional to 10,669.40, 14,723.68 and 5,889.40 is: 8,127.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.40 : 14,723.68 = 5,889.40 : x
  2. Step 2: Convert to fraction form
    10,669.40/14,723.68 = 5,889.40/x
  3. Step 3: Cross multiply
    10,669.40x = 14,723.68 × 5,889.40
  4. Step 4: Simplify right side
    10,669.40x = 86,713,640.99
  5. Step 5: Solve for x
    x = 86,713,640.99/10,669.40
  6. Step 6: Final answer
    x = 8,127.32

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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.