Home / 14,485.24-19,990.10-8,197.48

Finding the Fourth Proportional to 14,485.24, 19,990.10 and 8,197.48

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Solution

The fourth proportional to 14,485.24, 19,990.10 and 8,197.48 is: 11,312.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485.24 : 19,990.10 = 8,197.48 : x
  2. Step 2: Convert to fraction form
    14,485.24/19,990.10 = 8,197.48/x
  3. Step 3: Cross multiply
    14,485.24x = 19,990.10 × 8,197.48
  4. Step 4: Simplify right side
    14,485.24x = 163,868,444.95
  5. Step 5: Solve for x
    x = 163,868,444.95/14,485.24
  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.