Home / 10,914.90-16,373.40-4,339.62

Finding the Fourth Proportional to 10,914.90, 16,373.40 and 4,339.62

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Solution

The fourth proportional to 10,914.90, 16,373.40 and 4,339.62 is: 6,509.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914.90 : 16,373.40 = 4,339.62 : x
  2. Step 2: Convert to fraction form
    10,914.90/16,373.40 = 4,339.62/x
  3. Step 3: Cross multiply
    10,914.90x = 16,373.40 × 4,339.62
  4. Step 4: Simplify right side
    10,914.90x = 71,054,334.11
  5. Step 5: Solve for x
    x = 71,054,334.11/10,914.90
  6. Step 6: Final answer
    x = 6,509.85

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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.