Home / 10,889.74-14,929.94-10,692.91

Finding the Fourth Proportional to 10,889.74, 14,929.94 and 10,692.91

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Solution

The fourth proportional to 10,889.74, 14,929.94 and 10,692.91 is: 14,660.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.74 : 14,929.94 = 10,692.91 : x
  2. Step 2: Convert to fraction form
    10,889.74/14,929.94 = 10,692.91/x
  3. Step 3: Cross multiply
    10,889.74x = 14,929.94 × 10,692.91
  4. Step 4: Simplify right side
    10,889.74x = 159,644,504.73
  5. Step 5: Solve for x
    x = 159,644,504.73/10,889.74
  6. Step 6: Final answer
    x = 14,660.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.