Home / 13,018.09-19,526.96-3,157.45

Finding the Fourth Proportional to 13,018.09, 19,526.96 and 3,157.45

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Solution

The fourth proportional to 13,018.09, 19,526.96 and 3,157.45 is: 4,736.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.09 : 19,526.96 = 3,157.45 : x
  2. Step 2: Convert to fraction form
    13,018.09/19,526.96 = 3,157.45/x
  3. Step 3: Cross multiply
    13,018.09x = 19,526.96 × 3,157.45
  4. Step 4: Simplify right side
    13,018.09x = 61,655,286.43
  5. Step 5: Solve for x
    x = 61,655,286.43/13,018.09
  6. Step 6: Final answer
    x = 4,736.13

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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.