Home / 19,134.51-28,700.97-6,657.36

Finding the Fourth Proportional to 19,134.51, 28,700.97 and 6,657.36

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Solution

The fourth proportional to 19,134.51, 28,700.97 and 6,657.36 is: 9,985.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.51 : 28,700.97 = 6,657.36 : x
  2. Step 2: Convert to fraction form
    19,134.51/28,700.97 = 6,657.36/x
  3. Step 3: Cross multiply
    19,134.51x = 28,700.97 × 6,657.36
  4. Step 4: Simplify right side
    19,134.51x = 191,072,689.64
  5. Step 5: Solve for x
    x = 191,072,689.64/19,134.51
  6. Step 6: Final answer
    x = 9,985.76

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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.