Home / 14,180.08-21,271.20-4,320.20

Finding the Fourth Proportional to 14,180.08, 21,271.20 and 4,320.20

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Solution

The fourth proportional to 14,180.08, 21,271.20 and 4,320.20 is: 6,480.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.08 : 21,271.20 = 4,320.20 : x
  2. Step 2: Convert to fraction form
    14,180.08/21,271.20 = 4,320.20/x
  3. Step 3: Cross multiply
    14,180.08x = 21,271.20 × 4,320.20
  4. Step 4: Simplify right side
    14,180.08x = 91,895,838.24
  5. Step 5: Solve for x
    x = 91,895,838.24/14,180.08
  6. Step 6: Final answer
    x = 6,480.63

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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.