Home / 14,271.24-21,350.88-12,609.12

Finding the Fourth Proportional to 14,271.24, 21,350.88 and 12,609.12

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Solution

The fourth proportional to 14,271.24, 21,350.88 and 12,609.12 is: 18,864.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.24 : 21,350.88 = 12,609.12 : x
  2. Step 2: Convert to fraction form
    14,271.24/21,350.88 = 12,609.12/x
  3. Step 3: Cross multiply
    14,271.24x = 21,350.88 × 12,609.12
  4. Step 4: Simplify right side
    14,271.24x = 269,215,808.03
  5. Step 5: Solve for x
    x = 269,215,808.03/14,271.24
  6. Step 6: Final answer
    x = 18,864.22

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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.