Home / 14,108.28-19,468.48-8,140.20

Finding the Fourth Proportional to 14,108.28, 19,468.48 and 8,140.20

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Solution

The fourth proportional to 14,108.28, 19,468.48 and 8,140.20 is: 11,232.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.28 : 19,468.48 = 8,140.20 : x
  2. Step 2: Convert to fraction form
    14,108.28/19,468.48 = 8,140.20/x
  3. Step 3: Cross multiply
    14,108.28x = 19,468.48 × 8,140.20
  4. Step 4: Simplify right side
    14,108.28x = 158,477,320.90
  5. Step 5: Solve for x
    x = 158,477,320.90/14,108.28
  6. Step 6: Final answer
    x = 11,232.93

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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.