Home / 13,964.47-19,265.51-7,992.95

Finding the Fourth Proportional to 13,964.47, 19,265.51 and 7,992.95

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Solution

The fourth proportional to 13,964.47, 19,265.51 and 7,992.95 is: 11,027.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.47 : 19,265.51 = 7,992.95 : x
  2. Step 2: Convert to fraction form
    13,964.47/19,265.51 = 7,992.95/x
  3. Step 3: Cross multiply
    13,964.47x = 19,265.51 × 7,992.95
  4. Step 4: Simplify right side
    13,964.47x = 153,988,181.81
  5. Step 5: Solve for x
    x = 153,988,181.81/13,964.47
  6. Step 6: Final answer
    x = 11,027.14

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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.