Home / 20,298.36-28,013.04-11,346.24

Finding the Fourth Proportional to 20,298.36, 28,013.04 and 11,346.24

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Solution

The fourth proportional to 20,298.36, 28,013.04 and 11,346.24 is: 15,658.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298.36 : 28,013.04 = 11,346.24 : x
  2. Step 2: Convert to fraction form
    20,298.36/28,013.04 = 11,346.24/x
  3. Step 3: Cross multiply
    20,298.36x = 28,013.04 × 11,346.24
  4. Step 4: Simplify right side
    20,298.36x = 317,842,674.97
  5. Step 5: Solve for x
    x = 317,842,674.97/20,298.36
  6. Step 6: Final answer
    x = 15,658.54

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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.