Home / 19,083.04-28,642.18-13,751.76

Finding the Fourth Proportional to 19,083.04, 28,642.18 and 13,751.76

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Solution

The fourth proportional to 19,083.04, 28,642.18 and 13,751.76 is: 20,640.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,083.04 : 28,642.18 = 13,751.76 : x
  2. Step 2: Convert to fraction form
    19,083.04/28,642.18 = 13,751.76/x
  3. Step 3: Cross multiply
    19,083.04x = 28,642.18 × 13,751.76
  4. Step 4: Simplify right side
    19,083.04x = 393,880,385.24
  5. Step 5: Solve for x
    x = 393,880,385.24/19,083.04
  6. Step 6: Final answer
    x = 20,640.34

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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.