Home / 14,240.16-19,649.04-8,272.80

Finding the Fourth Proportional to 14,240.16, 19,649.04 and 8,272.80

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Solution

The fourth proportional to 14,240.16, 19,649.04 and 8,272.80 is: 11,415.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.16 : 19,649.04 = 8,272.80 : x
  2. Step 2: Convert to fraction form
    14,240.16/19,649.04 = 8,272.80/x
  3. Step 3: Cross multiply
    14,240.16x = 19,649.04 × 8,272.80
  4. Step 4: Simplify right side
    14,240.16x = 162,552,578.11
  5. Step 5: Solve for x
    x = 162,552,578.11/14,240.16
  6. Step 6: Final answer
    x = 11,415.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.