Home / 12,714.80-19,068.79-5,317.73

Finding the Fourth Proportional to 12,714.80, 19,068.79 and 5,317.73

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Solution

The fourth proportional to 12,714.80, 19,068.79 and 5,317.73 is: 7,975.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,714.80 : 19,068.79 = 5,317.73 : x
  2. Step 2: Convert to fraction form
    12,714.80/19,068.79 = 5,317.73/x
  3. Step 3: Cross multiply
    12,714.80x = 19,068.79 × 5,317.73
  4. Step 4: Simplify right side
    12,714.80x = 101,402,711.02
  5. Step 5: Solve for x
    x = 101,402,711.02/12,714.80
  6. Step 6: Final answer
    x = 7,975.17

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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.