Home / 14,485.26-19,990.08-8,197.50

Finding the Fourth Proportional to 14,485.26, 19,990.08 and 8,197.50

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Solution

The fourth proportional to 14,485.26, 19,990.08 and 8,197.50 is: 11,312.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485.26 : 19,990.08 = 8,197.50 : x
  2. Step 2: Convert to fraction form
    14,485.26/19,990.08 = 8,197.50/x
  3. Step 3: Cross multiply
    14,485.26x = 19,990.08 × 8,197.50
  4. Step 4: Simplify right side
    14,485.26x = 163,868,680.80
  5. Step 5: Solve for x
    x = 163,868,680.80/14,485.26
  6. Step 6: Final answer
    x = 11,312.79

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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.