Home / 14,840.10-22,245.37-7,421.92

Finding the Fourth Proportional to 14,840.10, 22,245.37 and 7,421.92

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Solution

The fourth proportional to 14,840.10, 22,245.37 and 7,421.92 is: 11,125.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,840.10 : 22,245.37 = 7,421.92 : x
  2. Step 2: Convert to fraction form
    14,840.10/22,245.37 = 7,421.92/x
  3. Step 3: Cross multiply
    14,840.10x = 22,245.37 × 7,421.92
  4. Step 4: Simplify right side
    14,840.10x = 165,103,282.34
  5. Step 5: Solve for x
    x = 165,103,282.34/14,840.10
  6. Step 6: Final answer
    x = 11,125.48

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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.