Home / 19,346.08-26,705.02-11,388.64

Finding the Fourth Proportional to 19,346.08, 26,705.02 and 11,388.64

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Solution

The fourth proportional to 19,346.08, 26,705.02 and 11,388.64 is: 15,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.08 : 26,705.02 = 11,388.64 : x
  2. Step 2: Convert to fraction form
    19,346.08/26,705.02 = 11,388.64/x
  3. Step 3: Cross multiply
    19,346.08x = 26,705.02 × 11,388.64
  4. Step 4: Simplify right side
    19,346.08x = 304,133,858.97
  5. Step 5: Solve for x
    x = 304,133,858.97/19,346.08
  6. Step 6: Final answer
    x = 15,720.70

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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.