Home / 13,023.60-19,506.60-5,228.40

Finding the Fourth Proportional to 13,023.60, 19,506.60 and 5,228.40

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Solution

The fourth proportional to 13,023.60, 19,506.60 and 5,228.40 is: 7,831.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023.60 : 19,506.60 = 5,228.40 : x
  2. Step 2: Convert to fraction form
    13,023.60/19,506.60 = 5,228.40/x
  3. Step 3: Cross multiply
    13,023.60x = 19,506.60 × 5,228.40
  4. Step 4: Simplify right side
    13,023.60x = 101,988,307.44
  5. Step 5: Solve for x
    x = 101,988,307.44/13,023.60
  6. Step 6: Final answer
    x = 7,831.04

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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.