Home / 19,377.72-26,741.28-10,994.76

Finding the Fourth Proportional to 19,377.72, 26,741.28 and 10,994.76

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Solution

The fourth proportional to 19,377.72, 26,741.28 and 10,994.76 is: 15,172.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,377.72 : 26,741.28 = 10,994.76 : x
  2. Step 2: Convert to fraction form
    19,377.72/26,741.28 = 10,994.76/x
  3. Step 3: Cross multiply
    19,377.72x = 26,741.28 × 10,994.76
  4. Step 4: Simplify right side
    19,377.72x = 294,013,955.69
  5. Step 5: Solve for x
    x = 294,013,955.69/19,377.72
  6. Step 6: Final answer
    x = 15,172.78

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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.