Home / 14,071.95-21,092.73-9,145.13

Finding the Fourth Proportional to 14,071.95, 21,092.73 and 9,145.13

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Solution

The fourth proportional to 14,071.95, 21,092.73 and 9,145.13 is: 13,707.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,071.95 : 21,092.73 = 9,145.13 : x
  2. Step 2: Convert to fraction form
    14,071.95/21,092.73 = 9,145.13/x
  3. Step 3: Cross multiply
    14,071.95x = 21,092.73 × 9,145.13
  4. Step 4: Simplify right side
    14,071.95x = 192,895,652.44
  5. Step 5: Solve for x
    x = 192,895,652.44/14,071.95
  6. Step 6: Final answer
    x = 13,707.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.