Home / 19,308.89-26,646.48-11,351.25

Finding the Fourth Proportional to 19,308.89, 26,646.48 and 11,351.25

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Solution

The fourth proportional to 19,308.89, 26,646.48 and 11,351.25 is: 15,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,308.89 : 26,646.48 = 11,351.25 : x
  2. Step 2: Convert to fraction form
    19,308.89/26,646.48 = 11,351.25/x
  3. Step 3: Cross multiply
    19,308.89x = 26,646.48 × 11,351.25
  4. Step 4: Simplify right side
    19,308.89x = 302,470,856.10
  5. Step 5: Solve for x
    x = 302,470,856.10/19,308.89
  6. Step 6: Final answer
    x = 15,664.85

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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.