Home / 18,430.34-27,617.49-13,503.24

Finding the Fourth Proportional to 18,430.34, 27,617.49 and 13,503.24

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Solution

The fourth proportional to 18,430.34, 27,617.49 and 13,503.24 is: 20,234.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430.34 : 27,617.49 = 13,503.24 : x
  2. Step 2: Convert to fraction form
    18,430.34/27,617.49 = 13,503.24/x
  3. Step 3: Cross multiply
    18,430.34x = 27,617.49 × 13,503.24
  4. Step 4: Simplify right side
    18,430.34x = 372,925,595.67
  5. Step 5: Solve for x
    x = 372,925,595.67/18,430.34
  6. Step 6: Final answer
    x = 20,234.34

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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.