Home / 13,106.21-19,656.54-4,222.33

Finding the Fourth Proportional to 13,106.21, 19,656.54 and 4,222.33

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Solution

The fourth proportional to 13,106.21, 19,656.54 and 4,222.33 is: 6,332.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106.21 : 19,656.54 = 4,222.33 : x
  2. Step 2: Convert to fraction form
    13,106.21/19,656.54 = 4,222.33/x
  3. Step 3: Cross multiply
    13,106.21x = 19,656.54 × 4,222.33
  4. Step 4: Simplify right side
    13,106.21x = 82,996,349.40
  5. Step 5: Solve for x
    x = 82,996,349.40/13,106.21
  6. Step 6: Final answer
    x = 6,332.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.