Home / 19,702.03-29,483.70-12,309.97

Finding the Fourth Proportional to 19,702.03, 29,483.70 and 12,309.97

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Solution

The fourth proportional to 19,702.03, 29,483.70 and 12,309.97 is: 18,421.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,702.03 : 29,483.70 = 12,309.97 : x
  2. Step 2: Convert to fraction form
    19,702.03/29,483.70 = 12,309.97/x
  3. Step 3: Cross multiply
    19,702.03x = 29,483.70 × 12,309.97
  4. Step 4: Simplify right side
    19,702.03x = 362,943,462.49
  5. Step 5: Solve for x
    x = 362,943,462.49/19,702.03
  6. Step 6: Final answer
    x = 18,421.63

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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.