Home / 10,958.79-16,438.05-10,427.52

Finding the Fourth Proportional to 10,958.79, 16,438.05 and 10,427.52

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Solution

The fourth proportional to 10,958.79, 16,438.05 and 10,427.52 is: 15,641.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.79 : 16,438.05 = 10,427.52 : x
  2. Step 2: Convert to fraction form
    10,958.79/16,438.05 = 10,427.52/x
  3. Step 3: Cross multiply
    10,958.79x = 16,438.05 × 10,427.52
  4. Step 4: Simplify right side
    10,958.79x = 171,408,095.14
  5. Step 5: Solve for x
    x = 171,408,095.14/10,958.79
  6. Step 6: Final answer
    x = 15,641.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.