Home / 14,180.13-21,271.10-4,320.13

Finding the Fourth Proportional to 14,180.13, 21,271.10 and 4,320.13

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Solution

The fourth proportional to 14,180.13, 21,271.10 and 4,320.13 is: 6,480.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.13 : 21,271.10 = 4,320.13 : x
  2. Step 2: Convert to fraction form
    14,180.13/21,271.10 = 4,320.13/x
  3. Step 3: Cross multiply
    14,180.13x = 21,271.10 × 4,320.13
  4. Step 4: Simplify right side
    14,180.13x = 91,893,917.24
  5. Step 5: Solve for x
    x = 91,893,917.24/14,180.13
  6. Step 6: Final answer
    x = 6,480.47

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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.