Home / 19,265.40-26,580.02-11,309.58

Finding the Fourth Proportional to 19,265.40, 26,580.02 and 11,309.58

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Solution

The fourth proportional to 19,265.40, 26,580.02 and 11,309.58 is: 15,603.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,265.40 : 26,580.02 = 11,309.58 : x
  2. Step 2: Convert to fraction form
    19,265.40/26,580.02 = 11,309.58/x
  3. Step 3: Cross multiply
    19,265.40x = 26,580.02 × 11,309.58
  4. Step 4: Simplify right side
    19,265.40x = 300,608,806.04
  5. Step 5: Solve for x
    x = 300,608,806.04/19,265.40
  6. Step 6: Final answer
    x = 15,603.56

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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.