Home / 22,307.70-30,785.59-13,353.48

Finding the Fourth Proportional to 22,307.70, 30,785.59 and 13,353.48

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Solution

The fourth proportional to 22,307.70, 30,785.59 and 13,353.48 is: 18,428.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,307.70 : 30,785.59 = 13,353.48 : x
  2. Step 2: Convert to fraction form
    22,307.70/30,785.59 = 13,353.48/x
  3. Step 3: Cross multiply
    22,307.70x = 30,785.59 × 13,353.48
  4. Step 4: Simplify right side
    22,307.70x = 411,094,706.37
  5. Step 5: Solve for x
    x = 411,094,706.37/22,307.70
  6. Step 6: Final answer
    x = 18,428.37

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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.