Home / 14,291.08-21,450.40-6,900.72

Finding the Fourth Proportional to 14,291.08, 21,450.40 and 6,900.72

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Solution

The fourth proportional to 14,291.08, 21,450.40 and 6,900.72 is: 10,357.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.08 : 21,450.40 = 6,900.72 : x
  2. Step 2: Convert to fraction form
    14,291.08/21,450.40 = 6,900.72/x
  3. Step 3: Cross multiply
    14,291.08x = 21,450.40 × 6,900.72
  4. Step 4: Simplify right side
    14,291.08x = 148,023,204.29
  5. Step 5: Solve for x
    x = 148,023,204.29/14,291.08
  6. Step 6: Final answer
    x = 10,357.73

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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.