Home / 13,652.20-18,828.26-10,663.40

Finding the Fourth Proportional to 13,652.20, 18,828.26 and 10,663.40

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Solution

The fourth proportional to 13,652.20, 18,828.26 and 10,663.40 is: 14,706.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.20 : 18,828.26 = 10,663.40 : x
  2. Step 2: Convert to fraction form
    13,652.20/18,828.26 = 10,663.40/x
  3. Step 3: Cross multiply
    13,652.20x = 18,828.26 × 10,663.40
  4. Step 4: Simplify right side
    13,652.20x = 200,773,267.68
  5. Step 5: Solve for x
    x = 200,773,267.68/13,652.20
  6. Step 6: Final answer
    x = 14,706.29

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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.