Home / 20,314.34-30,483.15-10,954.32

Finding the Fourth Proportional to 20,314.34, 30,483.15 and 10,954.32

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Solution

The fourth proportional to 20,314.34, 30,483.15 and 10,954.32 is: 16,437.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,314.34 : 30,483.15 = 10,954.32 : x
  2. Step 2: Convert to fraction form
    20,314.34/30,483.15 = 10,954.32/x
  3. Step 3: Cross multiply
    20,314.34x = 30,483.15 × 10,954.32
  4. Step 4: Simplify right side
    20,314.34x = 333,922,027.29
  5. Step 5: Solve for x
    x = 333,922,027.29/20,314.34
  6. Step 6: Final answer
    x = 16,437.75

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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.