Home / 19,980.06-29,935.26-12,967.08

Finding the Fourth Proportional to 19,980.06, 29,935.26 and 12,967.08

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Solution

The fourth proportional to 19,980.06, 29,935.26 and 12,967.08 is: 19,428.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,980.06 : 29,935.26 = 12,967.08 : x
  2. Step 2: Convert to fraction form
    19,980.06/29,935.26 = 12,967.08/x
  3. Step 3: Cross multiply
    19,980.06x = 29,935.26 × 12,967.08
  4. Step 4: Simplify right side
    19,980.06x = 388,172,911.24
  5. Step 5: Solve for x
    x = 388,172,911.24/19,980.06
  6. Step 6: Final answer
    x = 19,428.02

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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.