Home / 19,071.22-26,320.86-11,115.94

Finding the Fourth Proportional to 19,071.22, 26,320.86 and 11,115.94

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Solution

The fourth proportional to 19,071.22, 26,320.86 and 11,115.94 is: 15,341.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071.22 : 26,320.86 = 11,115.94 : x
  2. Step 2: Convert to fraction form
    19,071.22/26,320.86 = 11,115.94/x
  3. Step 3: Cross multiply
    19,071.22x = 26,320.86 × 11,115.94
  4. Step 4: Simplify right side
    19,071.22x = 292,581,100.51
  5. Step 5: Solve for x
    x = 292,581,100.51/19,071.22
  6. Step 6: Final answer
    x = 15,341.50

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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.