Home / 23,018.21-34,528.05-6,378.40

Finding the Fourth Proportional to 23,018.21, 34,528.05 and 6,378.40

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Solution

The fourth proportional to 23,018.21, 34,528.05 and 6,378.40 is: 9,567.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,018.21 : 34,528.05 = 6,378.40 : x
  2. Step 2: Convert to fraction form
    23,018.21/34,528.05 = 6,378.40/x
  3. Step 3: Cross multiply
    23,018.21x = 34,528.05 × 6,378.40
  4. Step 4: Simplify right side
    23,018.21x = 220,233,627.80
  5. Step 5: Solve for x
    x = 220,233,627.80/23,018.21
  6. Step 6: Final answer
    x = 9,567.80

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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.