Home / 19,389.78-29,060.28-10,504.77

Finding the Fourth Proportional to 19,389.78, 29,060.28 and 10,504.77

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Solution

The fourth proportional to 19,389.78, 29,060.28 and 10,504.77 is: 15,743.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.78 : 29,060.28 = 10,504.77 : x
  2. Step 2: Convert to fraction form
    19,389.78/29,060.28 = 10,504.77/x
  3. Step 3: Cross multiply
    19,389.78x = 29,060.28 × 10,504.77
  4. Step 4: Simplify right side
    19,389.78x = 305,271,557.54
  5. Step 5: Solve for x
    x = 305,271,557.54/19,389.78
  6. Step 6: Final answer
    x = 15,743.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.