Home / 10,900.73-15,045.88-6,427.46

Finding the Fourth Proportional to 10,900.73, 15,045.88 and 6,427.46

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Solution

The fourth proportional to 10,900.73, 15,045.88 and 6,427.46 is: 8,871.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900.73 : 15,045.88 = 6,427.46 : x
  2. Step 2: Convert to fraction form
    10,900.73/15,045.88 = 6,427.46/x
  3. Step 3: Cross multiply
    10,900.73x = 15,045.88 × 6,427.46
  4. Step 4: Simplify right side
    10,900.73x = 96,706,807.93
  5. Step 5: Solve for x
    x = 96,706,807.93/10,900.73
  6. Step 6: Final answer
    x = 8,871.59

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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.