Home / 20,408.74-30,610.23-6,365.50

Finding the Fourth Proportional to 20,408.74, 30,610.23 and 6,365.50

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Solution

The fourth proportional to 20,408.74, 30,610.23 and 6,365.50 is: 9,547.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,408.74 : 30,610.23 = 6,365.50 : x
  2. Step 2: Convert to fraction form
    20,408.74/30,610.23 = 6,365.50/x
  3. Step 3: Cross multiply
    20,408.74x = 30,610.23 × 6,365.50
  4. Step 4: Simplify right side
    20,408.74x = 194,849,419.07
  5. Step 5: Solve for x
    x = 194,849,419.07/20,408.74
  6. Step 6: Final answer
    x = 9,547.35

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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.