Home / 15,444.99-21,187.22-15,034.32

Finding the Fourth Proportional to 15,444.99, 21,187.22 and 15,034.32

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Solution

The fourth proportional to 15,444.99, 21,187.22 and 15,034.32 is: 20,623.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,444.99 : 21,187.22 = 15,034.32 : x
  2. Step 2: Convert to fraction form
    15,444.99/21,187.22 = 15,034.32/x
  3. Step 3: Cross multiply
    15,444.99x = 21,187.22 × 15,034.32
  4. Step 4: Simplify right side
    15,444.99x = 318,535,370.22
  5. Step 5: Solve for x
    x = 318,535,370.22/15,444.99
  6. Step 6: Final answer
    x = 20,623.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.