Home / 14,643.15-20,207.12-8,270.00

Finding the Fourth Proportional to 14,643.15, 20,207.12 and 8,270.00

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Solution

The fourth proportional to 14,643.15, 20,207.12 and 8,270.00 is: 11,412.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,643.15 : 20,207.12 = 8,270.00 : x
  2. Step 2: Convert to fraction form
    14,643.15/20,207.12 = 8,270.00/x
  3. Step 3: Cross multiply
    14,643.15x = 20,207.12 × 8,270.00
  4. Step 4: Simplify right side
    14,643.15x = 167,112,891.57
  5. Step 5: Solve for x
    x = 167,112,891.57/14,643.15
  6. Step 6: Final answer
    x = 11,412.36

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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.