Home / 19,370.40-29,055.60-13,793.55

Finding the Fourth Proportional to 19,370.40, 29,055.60 and 13,793.55

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Solution

The fourth proportional to 19,370.40, 29,055.60 and 13,793.55 is: 20,690.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,370.40 : 29,055.60 = 13,793.55 : x
  2. Step 2: Convert to fraction form
    19,370.40/29,055.60 = 13,793.55/x
  3. Step 3: Cross multiply
    19,370.40x = 29,055.60 × 13,793.55
  4. Step 4: Simplify right side
    19,370.40x = 400,779,871.38
  5. Step 5: Solve for x
    x = 400,779,871.38/19,370.40
  6. Step 6: Final answer
    x = 20,690.33

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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.