Home / 14,045.10-21,081.30-10,958.70

Finding the Fourth Proportional to 14,045.10, 21,081.30 and 10,958.70

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Solution

The fourth proportional to 14,045.10, 21,081.30 and 10,958.70 is: 16,448.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.10 : 21,081.30 = 10,958.70 : x
  2. Step 2: Convert to fraction form
    14,045.10/21,081.30 = 10,958.70/x
  3. Step 3: Cross multiply
    14,045.10x = 21,081.30 × 10,958.70
  4. Step 4: Simplify right side
    14,045.10x = 231,023,642.31
  5. Step 5: Solve for x
    x = 231,023,642.31/14,045.10
  6. Step 6: Final answer
    x = 16,448.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.