Home / 19,038.34-26,269.78-11,959.75

Finding the Fourth Proportional to 19,038.34, 26,269.78 and 11,959.75

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Solution

The fourth proportional to 19,038.34, 26,269.78 and 11,959.75 is: 16,502.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038.34 : 26,269.78 = 11,959.75 : x
  2. Step 2: Convert to fraction form
    19,038.34/26,269.78 = 11,959.75/x
  3. Step 3: Cross multiply
    19,038.34x = 26,269.78 × 11,959.75
  4. Step 4: Simplify right side
    19,038.34x = 314,180,001.36
  5. Step 5: Solve for x
    x = 314,180,001.36/19,038.34
  6. Step 6: Final answer
    x = 16,502.49

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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.