Home / 13,370.34-18,459.43-8,592.21

Finding the Fourth Proportional to 13,370.34, 18,459.43 and 8,592.21

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Solution

The fourth proportional to 13,370.34, 18,459.43 and 8,592.21 is: 11,862.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.34 : 18,459.43 = 8,592.21 : x
  2. Step 2: Convert to fraction form
    13,370.34/18,459.43 = 8,592.21/x
  3. Step 3: Cross multiply
    13,370.34x = 18,459.43 × 8,592.21
  4. Step 4: Simplify right side
    13,370.34x = 158,607,299.04
  5. Step 5: Solve for x
    x = 158,607,299.04/13,370.34
  6. Step 6: Final answer
    x = 11,862.62

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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.