Home / 19,459.54-26,832.81-13,160.98

Finding the Fourth Proportional to 19,459.54, 26,832.81 and 13,160.98

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Solution

The fourth proportional to 19,459.54, 26,832.81 and 13,160.98 is: 18,147.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,459.54 : 26,832.81 = 13,160.98 : x
  2. Step 2: Convert to fraction form
    19,459.54/26,832.81 = 13,160.98/x
  3. Step 3: Cross multiply
    19,459.54x = 26,832.81 × 13,160.98
  4. Step 4: Simplify right side
    19,459.54x = 353,146,075.75
  5. Step 5: Solve for x
    x = 353,146,075.75/19,459.54
  6. Step 6: Final answer
    x = 18,147.71

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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.