Home / 14,457.42-21,651.48-7,418.92

Finding the Fourth Proportional to 14,457.42, 21,651.48 and 7,418.92

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Solution

The fourth proportional to 14,457.42, 21,651.48 and 7,418.92 is: 11,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,457.42 : 21,651.48 = 7,418.92 : x
  2. Step 2: Convert to fraction form
    14,457.42/21,651.48 = 7,418.92/x
  3. Step 3: Cross multiply
    14,457.42x = 21,651.48 × 7,418.92
  4. Step 4: Simplify right side
    14,457.42x = 160,630,598.00
  5. Step 5: Solve for x
    x = 160,630,598.00/14,457.42
  6. Step 6: Final answer
    x = 11,110.60

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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.