Home / 22,013.36-30,383.76-12,587.24

Finding the Fourth Proportional to 22,013.36, 30,383.76 and 12,587.24

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Solution

The fourth proportional to 22,013.36, 30,383.76 and 12,587.24 is: 17,373.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,013.36 : 30,383.76 = 12,587.24 : x
  2. Step 2: Convert to fraction form
    22,013.36/30,383.76 = 12,587.24/x
  3. Step 3: Cross multiply
    22,013.36x = 30,383.76 × 12,587.24
  4. Step 4: Simplify right side
    22,013.36x = 382,447,679.22
  5. Step 5: Solve for x
    x = 382,447,679.22/22,013.36
  6. Step 6: Final answer
    x = 17,373.44

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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.