Home / 8,019.95-12,029.72-2,176.40

Finding the Fourth Proportional to 8,019.95, 12,029.72 and 2,176.40

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Solution

The fourth proportional to 8,019.95, 12,029.72 and 2,176.40 is: 3,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019.95 : 12,029.72 = 2,176.40 : x
  2. Step 2: Convert to fraction form
    8,019.95/12,029.72 = 2,176.40/x
  3. Step 3: Cross multiply
    8,019.95x = 12,029.72 × 2,176.40
  4. Step 4: Simplify right side
    8,019.95x = 26,181,501.80
  5. Step 5: Solve for x
    x = 26,181,501.80/8,019.95
  6. Step 6: Final answer
    x = 3,264.55

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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.