Home / 13,347.40-20,021.52-4,582.20

Finding the Fourth Proportional to 13,347.40, 20,021.52 and 4,582.20

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Solution

The fourth proportional to 13,347.40, 20,021.52 and 4,582.20 is: 6,873.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347.40 : 20,021.52 = 4,582.20 : x
  2. Step 2: Convert to fraction form
    13,347.40/20,021.52 = 4,582.20/x
  3. Step 3: Cross multiply
    13,347.40x = 20,021.52 × 4,582.20
  4. Step 4: Simplify right side
    13,347.40x = 91,742,608.94
  5. Step 5: Solve for x
    x = 91,742,608.94/13,347.40
  6. Step 6: Final answer
    x = 6,873.44

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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.