Home / 21,202.59-29,259.06-11,642.67

Finding the Fourth Proportional to 21,202.59, 29,259.06 and 11,642.67

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Solution

The fourth proportional to 21,202.59, 29,259.06 and 11,642.67 is: 16,066.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,202.59 : 29,259.06 = 11,642.67 : x
  2. Step 2: Convert to fraction form
    21,202.59/29,259.06 = 11,642.67/x
  3. Step 3: Cross multiply
    21,202.59x = 29,259.06 × 11,642.67
  4. Step 4: Simplify right side
    21,202.59x = 340,653,536.43
  5. Step 5: Solve for x
    x = 340,653,536.43/21,202.59
  6. Step 6: Final answer
    x = 16,066.60

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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.