Home / 14,483.23-19,985.21-8,108.94

Finding the Fourth Proportional to 14,483.23, 19,985.21 and 8,108.94

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Solution

The fourth proportional to 14,483.23, 19,985.21 and 8,108.94 is: 11,189.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,483.23 : 19,985.21 = 8,108.94 : x
  2. Step 2: Convert to fraction form
    14,483.23/19,985.21 = 8,108.94/x
  3. Step 3: Cross multiply
    14,483.23x = 19,985.21 × 8,108.94
  4. Step 4: Simplify right side
    14,483.23x = 162,058,742.15
  5. Step 5: Solve for x
    x = 162,058,742.15/14,483.23
  6. Step 6: Final answer
    x = 11,189.41

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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.