Home / 13,967.49-19,278.77-9,250.05

Finding the Fourth Proportional to 13,967.49, 19,278.77 and 9,250.05

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Solution

The fourth proportional to 13,967.49, 19,278.77 and 9,250.05 is: 12,767.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,967.49 : 19,278.77 = 9,250.05 : x
  2. Step 2: Convert to fraction form
    13,967.49/19,278.77 = 9,250.05/x
  3. Step 3: Cross multiply
    13,967.49x = 19,278.77 × 9,250.05
  4. Step 4: Simplify right side
    13,967.49x = 178,329,540.19
  5. Step 5: Solve for x
    x = 178,329,540.19/13,967.49
  6. Step 6: Final answer
    x = 12,767.47

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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.