Home / 22,455.36-30,988.44-12,383.52

Finding the Fourth Proportional to 22,455.36, 30,988.44 and 12,383.52

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Solution

The fourth proportional to 22,455.36, 30,988.44 and 12,383.52 is: 17,089.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,455.36 : 30,988.44 = 12,383.52 : x
  2. Step 2: Convert to fraction form
    22,455.36/30,988.44 = 12,383.52/x
  3. Step 3: Cross multiply
    22,455.36x = 30,988.44 × 12,383.52
  4. Step 4: Simplify right side
    22,455.36x = 383,745,966.51
  5. Step 5: Solve for x
    x = 383,745,966.51/22,455.36
  6. Step 6: Final answer
    x = 17,089.28

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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.