Home / 18,312.03-25,271.09-10,355.44

Finding the Fourth Proportional to 18,312.03, 25,271.09 and 10,355.44

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Solution

The fourth proportional to 18,312.03, 25,271.09 and 10,355.44 is: 14,290.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,312.03 : 25,271.09 = 10,355.44 : x
  2. Step 2: Convert to fraction form
    18,312.03/25,271.09 = 10,355.44/x
  3. Step 3: Cross multiply
    18,312.03x = 25,271.09 × 10,355.44
  4. Step 4: Simplify right side
    18,312.03x = 261,693,256.23
  5. Step 5: Solve for x
    x = 261,693,256.23/18,312.03
  6. Step 6: Final answer
    x = 14,290.79

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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.