Home / 19,008.90-28,521.45-13,162.32

Finding the Fourth Proportional to 19,008.90, 28,521.45 and 13,162.32

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Solution

The fourth proportional to 19,008.90, 28,521.45 and 13,162.32 is: 19,749.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008.90 : 28,521.45 = 13,162.32 : x
  2. Step 2: Convert to fraction form
    19,008.90/28,521.45 = 13,162.32/x
  3. Step 3: Cross multiply
    19,008.90x = 28,521.45 × 13,162.32
  4. Step 4: Simplify right side
    19,008.90x = 375,408,451.76
  5. Step 5: Solve for x
    x = 375,408,451.76/19,008.90
  6. Step 6: Final answer
    x = 19,749.09

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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.