Home / 19,330.53-26,678.60-11,373.49

Finding the Fourth Proportional to 19,330.53, 26,678.60 and 11,373.49

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Solution

The fourth proportional to 19,330.53, 26,678.60 and 11,373.49 is: 15,696.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330.53 : 26,678.60 = 11,373.49 : x
  2. Step 2: Convert to fraction form
    19,330.53/26,678.60 = 11,373.49/x
  3. Step 3: Cross multiply
    19,330.53x = 26,678.60 × 11,373.49
  4. Step 4: Simplify right side
    19,330.53x = 303,428,790.31
  5. Step 5: Solve for x
    x = 303,428,790.31/19,330.53
  6. Step 6: Final answer
    x = 15,696.87

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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.