Home / 13,954.77-19,250.69-12,954.15

Finding the Fourth Proportional to 13,954.77, 19,250.69 and 12,954.15

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Solution

The fourth proportional to 13,954.77, 19,250.69 and 12,954.15 is: 17,870.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.77 : 19,250.69 = 12,954.15 : x
  2. Step 2: Convert to fraction form
    13,954.77/19,250.69 = 12,954.15/x
  3. Step 3: Cross multiply
    13,954.77x = 19,250.69 × 12,954.15
  4. Step 4: Simplify right side
    13,954.77x = 249,376,261.09
  5. Step 5: Solve for x
    x = 249,376,261.09/13,954.77
  6. Step 6: Final answer
    x = 17,870.32

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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.