Home / 13,526.72-18,690.72-10,409.84

Finding the Fourth Proportional to 13,526.72, 18,690.72 and 10,409.84

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Solution

The fourth proportional to 13,526.72, 18,690.72 and 10,409.84 is: 14,383.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.72 : 18,690.72 = 10,409.84 : x
  2. Step 2: Convert to fraction form
    13,526.72/18,690.72 = 10,409.84/x
  3. Step 3: Cross multiply
    13,526.72x = 18,690.72 × 10,409.84
  4. Step 4: Simplify right side
    13,526.72x = 194,567,404.68
  5. Step 5: Solve for x
    x = 194,567,404.68/13,526.72
  6. Step 6: Final answer
    x = 14,383.93

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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.