Home / 19,970.11-27,560.28-11,019.34

Finding the Fourth Proportional to 19,970.11, 27,560.28 and 11,019.34

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Solution

The fourth proportional to 19,970.11, 27,560.28 and 11,019.34 is: 15,207.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.11 : 27,560.28 = 11,019.34 : x
  2. Step 2: Convert to fraction form
    19,970.11/27,560.28 = 11,019.34/x
  3. Step 3: Cross multiply
    19,970.11x = 27,560.28 × 11,019.34
  4. Step 4: Simplify right side
    19,970.11x = 303,696,095.82
  5. Step 5: Solve for x
    x = 303,696,095.82/19,970.11
  6. Step 6: Final answer
    x = 15,207.53

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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.