Home / 10,276.18-15,416.70-4,429.60

Finding the Fourth Proportional to 10,276.18, 15,416.70 and 4,429.60

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Solution

The fourth proportional to 10,276.18, 15,416.70 and 4,429.60 is: 6,645.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.18 : 15,416.70 = 4,429.60 : x
  2. Step 2: Convert to fraction form
    10,276.18/15,416.70 = 4,429.60/x
  3. Step 3: Cross multiply
    10,276.18x = 15,416.70 × 4,429.60
  4. Step 4: Simplify right side
    10,276.18x = 68,289,814.32
  5. Step 5: Solve for x
    x = 68,289,814.32/10,276.18
  6. Step 6: Final answer
    x = 6,645.45

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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.