Home / 10,900.00-15,044.43-6,920.37

Finding the Fourth Proportional to 10,900.00, 15,044.43 and 6,920.37

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Solution

The fourth proportional to 10,900.00, 15,044.43 and 6,920.37 is: 9,551.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900.00 : 15,044.43 = 6,920.37 : x
  2. Step 2: Convert to fraction form
    10,900.00/15,044.43 = 6,920.37/x
  3. Step 3: Cross multiply
    10,900.00x = 15,044.43 × 6,920.37
  4. Step 4: Simplify right side
    10,900.00x = 104,113,047.99
  5. Step 5: Solve for x
    x = 104,113,047.99/10,900.00
  6. Step 6: Final answer
    x = 9,551.65

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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.