Home / 20,297.94-28,009.23-11,345.24

Finding the Fourth Proportional to 20,297.94, 28,009.23 and 11,345.24

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Solution

The fourth proportional to 20,297.94, 28,009.23 and 11,345.24 is: 15,655.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,297.94 : 28,009.23 = 11,345.24 : x
  2. Step 2: Convert to fraction form
    20,297.94/28,009.23 = 11,345.24/x
  3. Step 3: Cross multiply
    20,297.94x = 28,009.23 × 11,345.24
  4. Step 4: Simplify right side
    20,297.94x = 317,771,296.52
  5. Step 5: Solve for x
    x = 317,771,296.52/20,297.94
  6. Step 6: Final answer
    x = 15,655.35

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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.