Home / 19,283.48-26,608.38-11,328.28

Finding the Fourth Proportional to 19,283.48, 26,608.38 and 11,328.28

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Solution

The fourth proportional to 19,283.48, 26,608.38 and 11,328.28 is: 15,631.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,283.48 : 26,608.38 = 11,328.28 : x
  2. Step 2: Convert to fraction form
    19,283.48/26,608.38 = 11,328.28/x
  3. Step 3: Cross multiply
    19,283.48x = 26,608.38 × 11,328.28
  4. Step 4: Simplify right side
    19,283.48x = 301,427,178.99
  5. Step 5: Solve for x
    x = 301,427,178.99/19,283.48
  6. Step 6: Final answer
    x = 15,631.37

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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.