Home / 12,070.64-18,108.48-4,284.96

Finding the Fourth Proportional to 12,070.64, 18,108.48 and 4,284.96

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Solution

The fourth proportional to 12,070.64, 18,108.48 and 4,284.96 is: 6,428.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070.64 : 18,108.48 = 4,284.96 : x
  2. Step 2: Convert to fraction form
    12,070.64/18,108.48 = 4,284.96/x
  3. Step 3: Cross multiply
    12,070.64x = 18,108.48 × 4,284.96
  4. Step 4: Simplify right side
    12,070.64x = 77,594,112.46
  5. Step 5: Solve for x
    x = 77,594,112.46/12,070.64
  6. Step 6: Final answer
    x = 6,428.33

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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.