Home / 13,534.08-18,636.28-12,744.96

Finding the Fourth Proportional to 13,534.08, 18,636.28 and 12,744.96

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Solution

The fourth proportional to 13,534.08, 18,636.28 and 12,744.96 is: 17,549.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534.08 : 18,636.28 = 12,744.96 : x
  2. Step 2: Convert to fraction form
    13,534.08/18,636.28 = 12,744.96/x
  3. Step 3: Cross multiply
    13,534.08x = 18,636.28 × 12,744.96
  4. Step 4: Simplify right side
    13,534.08x = 237,518,643.15
  5. Step 5: Solve for x
    x = 237,518,643.15/13,534.08
  6. Step 6: Final answer
    x = 17,549.67

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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.