Home / 21,666.56-29,890.94-14,595.26

Finding the Fourth Proportional to 21,666.56, 29,890.94 and 14,595.26

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Solution

The fourth proportional to 21,666.56, 29,890.94 and 14,595.26 is: 20,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,666.56 : 29,890.94 = 14,595.26 : x
  2. Step 2: Convert to fraction form
    21,666.56/29,890.94 = 14,595.26/x
  3. Step 3: Cross multiply
    21,666.56x = 29,890.94 × 14,595.26
  4. Step 4: Simplify right side
    21,666.56x = 436,266,040.94
  5. Step 5: Solve for x
    x = 436,266,040.94/21,666.56
  6. Step 6: Final answer
    x = 20,135.45

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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.