Home / 14,485.50-19,992.42-8,196.66

Finding the Fourth Proportional to 14,485.50, 19,992.42 and 8,196.66

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Solution

The fourth proportional to 14,485.50, 19,992.42 and 8,196.66 is: 11,312.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485.50 : 19,992.42 = 8,196.66 : x
  2. Step 2: Convert to fraction form
    14,485.50/19,992.42 = 8,196.66/x
  3. Step 3: Cross multiply
    14,485.50x = 19,992.42 × 8,196.66
  4. Step 4: Simplify right side
    14,485.50x = 163,871,069.32
  5. Step 5: Solve for x
    x = 163,871,069.32/14,485.50
  6. Step 6: Final answer
    x = 11,312.77

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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.