Home / 19,114.24-28,660.48-6,627.84

Finding the Fourth Proportional to 19,114.24, 28,660.48 and 6,627.84

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Solution

The fourth proportional to 19,114.24, 28,660.48 and 6,627.84 is: 9,937.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,114.24 : 28,660.48 = 6,627.84 : x
  2. Step 2: Convert to fraction form
    19,114.24/28,660.48 = 6,627.84/x
  3. Step 3: Cross multiply
    19,114.24x = 28,660.48 × 6,627.84
  4. Step 4: Simplify right side
    19,114.24x = 189,957,075.76
  5. Step 5: Solve for x
    x = 189,957,075.76/19,114.24
  6. Step 6: Final answer
    x = 9,937.99

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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.