Home / 22,206.48-30,629.91-14,258.35

Finding the Fourth Proportional to 22,206.48, 30,629.91 and 14,258.35

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Solution

The fourth proportional to 22,206.48, 30,629.91 and 14,258.35 is: 19,666.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,206.48 : 30,629.91 = 14,258.35 : x
  2. Step 2: Convert to fraction form
    22,206.48/30,629.91 = 14,258.35/x
  3. Step 3: Cross multiply
    22,206.48x = 30,629.91 × 14,258.35
  4. Step 4: Simplify right side
    22,206.48x = 436,731,977.25
  5. Step 5: Solve for x
    x = 436,731,977.25/22,206.48
  6. Step 6: Final answer
    x = 19,666.87

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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.