Home / 10,638.95-15,958.58-4,065.48

Finding the Fourth Proportional to 10,638.95, 15,958.58 and 4,065.48

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Solution

The fourth proportional to 10,638.95, 15,958.58 and 4,065.48 is: 6,098.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.95 : 15,958.58 = 4,065.48 : x
  2. Step 2: Convert to fraction form
    10,638.95/15,958.58 = 4,065.48/x
  3. Step 3: Cross multiply
    10,638.95x = 15,958.58 × 4,065.48
  4. Step 4: Simplify right side
    10,638.95x = 64,879,267.49
  5. Step 5: Solve for x
    x = 64,879,267.49/10,638.95
  6. Step 6: Final answer
    x = 6,098.28

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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.