Home / 13,460.01-20,158.70-12,992.82

Finding the Fourth Proportional to 13,460.01, 20,158.70 and 12,992.82

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Solution

The fourth proportional to 13,460.01, 20,158.70 and 12,992.82 is: 19,459.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.01 : 20,158.70 = 12,992.82 : x
  2. Step 2: Convert to fraction form
    13,460.01/20,158.70 = 12,992.82/x
  3. Step 3: Cross multiply
    13,460.01x = 20,158.70 × 12,992.82
  4. Step 4: Simplify right side
    13,460.01x = 261,918,295.57
  5. Step 5: Solve for x
    x = 261,918,295.57/13,460.01
  6. Step 6: Final answer
    x = 19,459.00

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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.