Home / 21,495.58-29,666.87-12,064.75

Finding the Fourth Proportional to 21,495.58, 29,666.87 and 12,064.75

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Solution

The fourth proportional to 21,495.58, 29,666.87 and 12,064.75 is: 16,651.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,495.58 : 29,666.87 = 12,064.75 : x
  2. Step 2: Convert to fraction form
    21,495.58/29,666.87 = 12,064.75/x
  3. Step 3: Cross multiply
    21,495.58x = 29,666.87 × 12,064.75
  4. Step 4: Simplify right side
    21,495.58x = 357,923,369.83
  5. Step 5: Solve for x
    x = 357,923,369.83/21,495.58
  6. Step 6: Final answer
    x = 16,651.02

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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.