Home / 21,233.55-29,303.94-12,736.01

Finding the Fourth Proportional to 21,233.55, 29,303.94 and 12,736.01

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Solution

The fourth proportional to 21,233.55, 29,303.94 and 12,736.01 is: 17,576.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,233.55 : 29,303.94 = 12,736.01 : x
  2. Step 2: Convert to fraction form
    21,233.55/29,303.94 = 12,736.01/x
  3. Step 3: Cross multiply
    21,233.55x = 29,303.94 × 12,736.01
  4. Step 4: Simplify right side
    21,233.55x = 373,215,126.36
  5. Step 5: Solve for x
    x = 373,215,126.36/21,233.55
  6. Step 6: Final answer
    x = 17,576.67

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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.