Home / 19,008.64-28,495.31-9,018.08

Finding the Fourth Proportional to 19,008.64, 28,495.31 and 9,018.08

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Solution

The fourth proportional to 19,008.64, 28,495.31 and 9,018.08 is: 13,518.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008.64 : 28,495.31 = 9,018.08 : x
  2. Step 2: Convert to fraction form
    19,008.64/28,495.31 = 9,018.08/x
  3. Step 3: Cross multiply
    19,008.64x = 28,495.31 × 9,018.08
  4. Step 4: Simplify right side
    19,008.64x = 256,972,865.27
  5. Step 5: Solve for x
    x = 256,972,865.27/19,008.64
  6. Step 6: Final answer
    x = 13,518.74

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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.