Home / 13,974.95-19,275.66-9,490.91

Finding the Fourth Proportional to 13,974.95, 19,275.66 and 9,490.91

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Solution

The fourth proportional to 13,974.95, 19,275.66 and 9,490.91 is: 13,090.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.95 : 19,275.66 = 9,490.91 : x
  2. Step 2: Convert to fraction form
    13,974.95/19,275.66 = 9,490.91/x
  3. Step 3: Cross multiply
    13,974.95x = 19,275.66 × 9,490.91
  4. Step 4: Simplify right side
    13,974.95x = 182,943,554.25
  5. Step 5: Solve for x
    x = 182,943,554.25/13,974.95
  6. Step 6: Final answer
    x = 13,090.82

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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.