Home / 19,020.83-28,523.94-13,159.67

Finding the Fourth Proportional to 19,020.83, 28,523.94 and 13,159.67

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Solution

The fourth proportional to 19,020.83, 28,523.94 and 13,159.67 is: 19,734.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.83 : 28,523.94 = 13,159.67 : x
  2. Step 2: Convert to fraction form
    19,020.83/28,523.94 = 13,159.67/x
  3. Step 3: Cross multiply
    19,020.83x = 28,523.94 × 13,159.67
  4. Step 4: Simplify right side
    19,020.83x = 375,365,637.50
  5. Step 5: Solve for x
    x = 375,365,637.50/19,020.83
  6. Step 6: Final answer
    x = 19,734.45

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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.