Home / 17,538.40-26,323.80-8,779.60

Finding the Fourth Proportional to 17,538.40, 26,323.80 and 8,779.60

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Solution

The fourth proportional to 17,538.40, 26,323.80 and 8,779.60 is: 13,177.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,538.40 : 26,323.80 = 8,779.60 : x
  2. Step 2: Convert to fraction form
    17,538.40/26,323.80 = 8,779.60/x
  3. Step 3: Cross multiply
    17,538.40x = 26,323.80 × 8,779.60
  4. Step 4: Simplify right side
    17,538.40x = 231,112,434.48
  5. Step 5: Solve for x
    x = 231,112,434.48/17,538.40
  6. Step 6: Final answer
    x = 13,177.51

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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.