Home / 21,465.87-29,621.60-12,034.23

Finding the Fourth Proportional to 21,465.87, 29,621.60 and 12,034.23

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Solution

The fourth proportional to 21,465.87, 29,621.60 and 12,034.23 is: 16,606.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,465.87 : 29,621.60 = 12,034.23 : x
  2. Step 2: Convert to fraction form
    21,465.87/29,621.60 = 12,034.23/x
  3. Step 3: Cross multiply
    21,465.87x = 29,621.60 × 12,034.23
  4. Step 4: Simplify right side
    21,465.87x = 356,473,087.20
  5. Step 5: Solve for x
    x = 356,473,087.20/21,465.87
  6. Step 6: Final answer
    x = 16,606.51

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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.