Home / 13,958.93-19,264.40-7,992.47

Finding the Fourth Proportional to 13,958.93, 19,264.40 and 7,992.47

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Solution

The fourth proportional to 13,958.93, 19,264.40 and 7,992.47 is: 11,030.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958.93 : 19,264.40 = 7,992.47 : x
  2. Step 2: Convert to fraction form
    13,958.93/19,264.40 = 7,992.47/x
  3. Step 3: Cross multiply
    13,958.93x = 19,264.40 × 7,992.47
  4. Step 4: Simplify right side
    13,958.93x = 153,970,139.07
  5. Step 5: Solve for x
    x = 153,970,139.07/13,958.93
  6. Step 6: Final answer
    x = 11,030.23

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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.