Home / 12,911.02-19,369.26-4,152.08

Finding the Fourth Proportional to 12,911.02, 19,369.26 and 4,152.08

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Solution

The fourth proportional to 12,911.02, 19,369.26 and 4,152.08 is: 6,229.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,911.02 : 19,369.26 = 4,152.08 : x
  2. Step 2: Convert to fraction form
    12,911.02/19,369.26 = 4,152.08/x
  3. Step 3: Cross multiply
    12,911.02x = 19,369.26 × 4,152.08
  4. Step 4: Simplify right side
    12,911.02x = 80,422,717.06
  5. Step 5: Solve for x
    x = 80,422,717.06/12,911.02
  6. Step 6: Final answer
    x = 6,229.00

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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.