Home / 19,352.84-26,691.06-12,980.48

Finding the Fourth Proportional to 19,352.84, 26,691.06 and 12,980.48

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Solution

The fourth proportional to 19,352.84, 26,691.06 and 12,980.48 is: 17,902.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,352.84 : 26,691.06 = 12,980.48 : x
  2. Step 2: Convert to fraction form
    19,352.84/26,691.06 = 12,980.48/x
  3. Step 3: Cross multiply
    19,352.84x = 26,691.06 × 12,980.48
  4. Step 4: Simplify right side
    19,352.84x = 346,462,770.51
  5. Step 5: Solve for x
    x = 346,462,770.51/19,352.84
  6. Step 6: Final answer
    x = 17,902.43

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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.