Home / 19,403.84-26,770.32-12,693.32

Finding the Fourth Proportional to 19,403.84, 26,770.32 and 12,693.32

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Solution

The fourth proportional to 19,403.84, 26,770.32 and 12,693.32 is: 17,512.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,403.84 : 26,770.32 = 12,693.32 : x
  2. Step 2: Convert to fraction form
    19,403.84/26,770.32 = 12,693.32/x
  3. Step 3: Cross multiply
    19,403.84x = 26,770.32 × 12,693.32
  4. Step 4: Simplify right side
    19,403.84x = 339,804,238.26
  5. Step 5: Solve for x
    x = 339,804,238.26/19,403.84
  6. Step 6: Final answer
    x = 17,512.22

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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.