Home / 12,504.56-18,808.68-11,312.24

Finding the Fourth Proportional to 12,504.56, 18,808.68 and 11,312.24

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Solution

The fourth proportional to 12,504.56, 18,808.68 and 11,312.24 is: 17,015.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.56 : 18,808.68 = 11,312.24 : x
  2. Step 2: Convert to fraction form
    12,504.56/18,808.68 = 11,312.24/x
  3. Step 3: Cross multiply
    12,504.56x = 18,808.68 × 11,312.24
  4. Step 4: Simplify right side
    12,504.56x = 212,768,302.24
  5. Step 5: Solve for x
    x = 212,768,302.24/12,504.56
  6. Step 6: Final answer
    x = 17,015.26

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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.