Home / 14,557.05-21,803.18-12,613.05

Finding the Fourth Proportional to 14,557.05, 21,803.18 and 12,613.05

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Solution

The fourth proportional to 14,557.05, 21,803.18 and 12,613.05 is: 18,891.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,557.05 : 21,803.18 = 12,613.05 : x
  2. Step 2: Convert to fraction form
    14,557.05/21,803.18 = 12,613.05/x
  3. Step 3: Cross multiply
    14,557.05x = 21,803.18 × 12,613.05
  4. Step 4: Simplify right side
    14,557.05x = 275,004,536.43
  5. Step 5: Solve for x
    x = 275,004,536.43/14,557.05
  6. Step 6: Final answer
    x = 18,891.50

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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.