Home / 14,421.64-21,588.62-9,231.16

Finding the Fourth Proportional to 14,421.64, 21,588.62 and 9,231.16

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Solution

The fourth proportional to 14,421.64, 21,588.62 and 9,231.16 is: 13,818.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421.64 : 21,588.62 = 9,231.16 : x
  2. Step 2: Convert to fraction form
    14,421.64/21,588.62 = 9,231.16/x
  3. Step 3: Cross multiply
    14,421.64x = 21,588.62 × 9,231.16
  4. Step 4: Simplify right side
    14,421.64x = 199,288,005.40
  5. Step 5: Solve for x
    x = 199,288,005.40/14,421.64
  6. Step 6: Final answer
    x = 13,818.68

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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.