Home / 19,020.57-28,539.06-7,341.99

Finding the Fourth Proportional to 19,020.57, 28,539.06 and 7,341.99

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Solution

The fourth proportional to 19,020.57, 28,539.06 and 7,341.99 is: 11,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.57 : 28,539.06 = 7,341.99 : x
  2. Step 2: Convert to fraction form
    19,020.57/28,539.06 = 7,341.99/x
  3. Step 3: Cross multiply
    19,020.57x = 28,539.06 × 7,341.99
  4. Step 4: Simplify right side
    19,020.57x = 209,533,493.13
  5. Step 5: Solve for x
    x = 209,533,493.13/19,020.57
  6. Step 6: Final answer
    x = 11,016.15

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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.