Home / 19,071.06-26,308.44-12,772.50

Finding the Fourth Proportional to 19,071.06, 26,308.44 and 12,772.50

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Solution

The fourth proportional to 19,071.06, 26,308.44 and 12,772.50 is: 17,619.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071.06 : 26,308.44 = 12,772.50 : x
  2. Step 2: Convert to fraction form
    19,071.06/26,308.44 = 12,772.50/x
  3. Step 3: Cross multiply
    19,071.06x = 26,308.44 × 12,772.50
  4. Step 4: Simplify right side
    19,071.06x = 336,024,549.90
  5. Step 5: Solve for x
    x = 336,024,549.90/19,071.06
  6. Step 6: Final answer
    x = 17,619.61

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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.