Home / 12,708.81-19,055.88-5,304.42

Finding the Fourth Proportional to 12,708.81, 19,055.88 and 5,304.42

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Solution

The fourth proportional to 12,708.81, 19,055.88 and 5,304.42 is: 7,953.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.81 : 19,055.88 = 5,304.42 : x
  2. Step 2: Convert to fraction form
    12,708.81/19,055.88 = 5,304.42/x
  3. Step 3: Cross multiply
    12,708.81x = 19,055.88 × 5,304.42
  4. Step 4: Simplify right side
    12,708.81x = 101,080,390.99
  5. Step 5: Solve for x
    x = 101,080,390.99/12,708.81
  6. Step 6: Final answer
    x = 7,953.57

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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.