Home / 8,420.33-12,630.46-6,573.00

Finding the Fourth Proportional to 8,420.33, 12,630.46 and 6,573.00

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Solution

The fourth proportional to 8,420.33, 12,630.46 and 6,573.00 is: 9,859.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,420.33 : 12,630.46 = 6,573.00 : x
  2. Step 2: Convert to fraction form
    8,420.33/12,630.46 = 6,573.00/x
  3. Step 3: Cross multiply
    8,420.33x = 12,630.46 × 6,573.00
  4. Step 4: Simplify right side
    8,420.33x = 83,019,967.30
  5. Step 5: Solve for x
    x = 83,019,967.30/8,420.33
  6. Step 6: Final answer
    x = 9,859.47

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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.