Home / 19,039.79-26,271.24-12,324.48

Finding the Fourth Proportional to 19,039.79, 26,271.24 and 12,324.48

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Solution

The fourth proportional to 19,039.79, 26,271.24 and 12,324.48 is: 17,005.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.79 : 26,271.24 = 12,324.48 : x
  2. Step 2: Convert to fraction form
    19,039.79/26,271.24 = 12,324.48/x
  3. Step 3: Cross multiply
    19,039.79x = 26,271.24 × 12,324.48
  4. Step 4: Simplify right side
    19,039.79x = 323,779,371.96
  5. Step 5: Solve for x
    x = 323,779,371.96/19,039.79
  6. Step 6: Final answer
    x = 17,005.41

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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.