Home / 14,215.80-19,598.04-8,907.06

Finding the Fourth Proportional to 14,215.80, 19,598.04 and 8,907.06

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Solution

The fourth proportional to 14,215.80, 19,598.04 and 8,907.06 is: 12,279.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.80 : 19,598.04 = 8,907.06 : x
  2. Step 2: Convert to fraction form
    14,215.80/19,598.04 = 8,907.06/x
  3. Step 3: Cross multiply
    14,215.80x = 19,598.04 × 8,907.06
  4. Step 4: Simplify right side
    14,215.80x = 174,560,918.16
  5. Step 5: Solve for x
    x = 174,560,918.16/14,215.80
  6. Step 6: Final answer
    x = 12,279.36

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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.