Home / 10,521.03-14,520.69-6,329.28

Finding the Fourth Proportional to 10,521.03, 14,520.69 and 6,329.28

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Solution

The fourth proportional to 10,521.03, 14,520.69 and 6,329.28 is: 8,735.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521.03 : 14,520.69 = 6,329.28 : x
  2. Step 2: Convert to fraction form
    10,521.03/14,520.69 = 6,329.28/x
  3. Step 3: Cross multiply
    10,521.03x = 14,520.69 × 6,329.28
  4. Step 4: Simplify right side
    10,521.03x = 91,905,512.80
  5. Step 5: Solve for x
    x = 91,905,512.80/10,521.03
  6. Step 6: Final answer
    x = 8,735.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.