Home / 19,030.40-26,268.48-11,480.96

Finding the Fourth Proportional to 19,030.40, 26,268.48 and 11,480.96

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Solution

The fourth proportional to 19,030.40, 26,268.48 and 11,480.96 is: 15,847.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,030.40 : 26,268.48 = 11,480.96 : x
  2. Step 2: Convert to fraction form
    19,030.40/26,268.48 = 11,480.96/x
  3. Step 3: Cross multiply
    19,030.40x = 26,268.48 × 11,480.96
  4. Step 4: Simplify right side
    19,030.40x = 301,587,368.14
  5. Step 5: Solve for x
    x = 301,587,368.14/19,030.40
  6. Step 6: Final answer
    x = 15,847.66

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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.