Home / 9,478.50-14,217.75-2,553

Finding the Fourth Proportional to 9,478.50, 14,217.75 and 2,553

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Solution

The fourth proportional to 9,478.50, 14,217.75 and 2,553 is: 3,829.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.50 : 14,217.75 = 2,553 : x
  2. Step 2: Convert to fraction form
    9,478.50/14,217.75 = 2,553/x
  3. Step 3: Cross multiply
    9,478.50x = 14,217.75 × 2,553
  4. Step 4: Simplify right side
    9,478.50x = 36,297,915.75
  5. Step 5: Solve for x
    x = 36,297,915.75/9,478.50
  6. Step 6: Final answer
    x = 3,829.50

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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.