Home / 14,055.52-19,397.76-7,768

Finding the Fourth Proportional to 14,055.52, 19,397.76 and 7,768

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Solution

The fourth proportional to 14,055.52, 19,397.76 and 7,768 is: 10,720.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.52 : 19,397.76 = 7,768 : x
  2. Step 2: Convert to fraction form
    14,055.52/19,397.76 = 7,768/x
  3. Step 3: Cross multiply
    14,055.52x = 19,397.76 × 7,768
  4. Step 4: Simplify right side
    14,055.52x = 150,681,799.68
  5. Step 5: Solve for x
    x = 150,681,799.68/14,055.52
  6. Step 6: Final answer
    x = 10,720.47

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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.