Home / 19,018.08-28,484.64-11,003.04

Finding the Fourth Proportional to 19,018.08, 28,484.64 and 11,003.04

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Solution

The fourth proportional to 19,018.08, 28,484.64 and 11,003.04 is: 16,479.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.08 : 28,484.64 = 11,003.04 : x
  2. Step 2: Convert to fraction form
    19,018.08/28,484.64 = 11,003.04/x
  3. Step 3: Cross multiply
    19,018.08x = 28,484.64 × 11,003.04
  4. Step 4: Simplify right side
    19,018.08x = 313,417,633.31
  5. Step 5: Solve for x
    x = 313,417,633.31/19,018.08
  6. Step 6: Final answer
    x = 16,479.98

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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.