Home / 15,290.23-21,101.24-8,914.52

Finding the Fourth Proportional to 15,290.23, 21,101.24 and 8,914.52

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Solution

The fourth proportional to 15,290.23, 21,101.24 and 8,914.52 is: 12,302.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290.23 : 21,101.24 = 8,914.52 : x
  2. Step 2: Convert to fraction form
    15,290.23/21,101.24 = 8,914.52/x
  3. Step 3: Cross multiply
    15,290.23x = 21,101.24 × 8,914.52
  4. Step 4: Simplify right side
    15,290.23x = 188,107,426.00
  5. Step 5: Solve for x
    x = 188,107,426.00/15,290.23
  6. Step 6: Final answer
    x = 12,302.46

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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.