Home / 14,907.14-20,550.11-10,416.90

Finding the Fourth Proportional to 14,907.14, 20,550.11 and 10,416.90

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Solution

The fourth proportional to 14,907.14, 20,550.11 and 10,416.90 is: 14,360.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,907.14 : 20,550.11 = 10,416.90 : x
  2. Step 2: Convert to fraction form
    14,907.14/20,550.11 = 10,416.90/x
  3. Step 3: Cross multiply
    14,907.14x = 20,550.11 × 10,416.90
  4. Step 4: Simplify right side
    14,907.14x = 214,068,465.84
  5. Step 5: Solve for x
    x = 214,068,465.84/14,907.14
  6. Step 6: Final answer
    x = 14,360.13

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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.