Home / 13,927.95-19,219.88-7,959.26

Finding the Fourth Proportional to 13,927.95, 19,219.88 and 7,959.26

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Solution

The fourth proportional to 13,927.95, 19,219.88 and 7,959.26 is: 10,983.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,927.95 : 19,219.88 = 7,959.26 : x
  2. Step 2: Convert to fraction form
    13,927.95/19,219.88 = 7,959.26/x
  3. Step 3: Cross multiply
    13,927.95x = 19,219.88 × 7,959.26
  4. Step 4: Simplify right side
    13,927.95x = 152,976,090.04
  5. Step 5: Solve for x
    x = 152,976,090.04/13,927.95
  6. Step 6: Final answer
    x = 10,983.39

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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.