Home / 21,427.36-29,566.23-13,463.94

Finding the Fourth Proportional to 21,427.36, 29,566.23 and 13,463.94

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Solution

The fourth proportional to 21,427.36, 29,566.23 and 13,463.94 is: 18,578.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,427.36 : 29,566.23 = 13,463.94 : x
  2. Step 2: Convert to fraction form
    21,427.36/29,566.23 = 13,463.94/x
  3. Step 3: Cross multiply
    21,427.36x = 29,566.23 × 13,463.94
  4. Step 4: Simplify right side
    21,427.36x = 398,077,946.75
  5. Step 5: Solve for x
    x = 398,077,946.75/21,427.36
  6. Step 6: Final answer
    x = 18,578.03

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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.