Home / 11,622.32-16,038.52-6,842.80

Finding the Fourth Proportional to 11,622.32, 16,038.52 and 6,842.80

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Solution

The fourth proportional to 11,622.32, 16,038.52 and 6,842.80 is: 9,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.32 : 16,038.52 = 6,842.80 : x
  2. Step 2: Convert to fraction form
    11,622.32/16,038.52 = 6,842.80/x
  3. Step 3: Cross multiply
    11,622.32x = 16,038.52 × 6,842.80
  4. Step 4: Simplify right side
    11,622.32x = 109,748,384.66
  5. Step 5: Solve for x
    x = 109,748,384.66/11,622.32
  6. Step 6: Final answer
    x = 9,442.90

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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.