Home / 11,310.19-16,962.93-4,287.78

Finding the Fourth Proportional to 11,310.19, 16,962.93 and 4,287.78

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Solution

The fourth proportional to 11,310.19, 16,962.93 and 4,287.78 is: 6,430.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.19 : 16,962.93 = 4,287.78 : x
  2. Step 2: Convert to fraction form
    11,310.19/16,962.93 = 4,287.78/x
  3. Step 3: Cross multiply
    11,310.19x = 16,962.93 × 4,287.78
  4. Step 4: Simplify right side
    11,310.19x = 72,733,312.00
  5. Step 5: Solve for x
    x = 72,733,312.00/11,310.19
  6. Step 6: Final answer
    x = 6,430.78

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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.