Home / 12,851.28-19,271.88-4,529.52

Finding the Fourth Proportional to 12,851.28, 19,271.88 and 4,529.52

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Solution

The fourth proportional to 12,851.28, 19,271.88 and 4,529.52 is: 6,792.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,851.28 : 19,271.88 = 4,529.52 : x
  2. Step 2: Convert to fraction form
    12,851.28/19,271.88 = 4,529.52/x
  3. Step 3: Cross multiply
    12,851.28x = 19,271.88 × 4,529.52
  4. Step 4: Simplify right side
    12,851.28x = 87,292,365.90
  5. Step 5: Solve for x
    x = 87,292,365.90/12,851.28
  6. Step 6: Final answer
    x = 6,792.50

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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.