Home / 19,749.76-29,605.02-8,071.36

Finding the Fourth Proportional to 19,749.76, 29,605.02 and 8,071.36

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Solution

The fourth proportional to 19,749.76, 29,605.02 and 8,071.36 is: 12,099.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,749.76 : 29,605.02 = 8,071.36 : x
  2. Step 2: Convert to fraction form
    19,749.76/29,605.02 = 8,071.36/x
  3. Step 3: Cross multiply
    19,749.76x = 29,605.02 × 8,071.36
  4. Step 4: Simplify right side
    19,749.76x = 238,952,774.23
  5. Step 5: Solve for x
    x = 238,952,774.23/19,749.76
  6. Step 6: Final answer
    x = 12,099.02

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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.