Home / 19,045.96-28,536.42-13,490.08

Finding the Fourth Proportional to 19,045.96, 28,536.42 and 13,490.08

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Solution

The fourth proportional to 19,045.96, 28,536.42 and 13,490.08 is: 20,212.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,045.96 : 28,536.42 = 13,490.08 : x
  2. Step 2: Convert to fraction form
    19,045.96/28,536.42 = 13,490.08/x
  3. Step 3: Cross multiply
    19,045.96x = 28,536.42 × 13,490.08
  4. Step 4: Simplify right side
    19,045.96x = 384,958,588.71
  5. Step 5: Solve for x
    x = 384,958,588.71/19,045.96
  6. Step 6: Final answer
    x = 20,212.09

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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.