Home / 13,277.90-19,929.14-6,708.70

Finding the Fourth Proportional to 13,277.90, 19,929.14 and 6,708.70

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Solution

The fourth proportional to 13,277.90, 19,929.14 and 6,708.70 is: 10,069.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.90 : 19,929.14 = 6,708.70 : x
  2. Step 2: Convert to fraction form
    13,277.90/19,929.14 = 6,708.70/x
  3. Step 3: Cross multiply
    13,277.90x = 19,929.14 × 6,708.70
  4. Step 4: Simplify right side
    13,277.90x = 133,698,621.52
  5. Step 5: Solve for x
    x = 133,698,621.52/13,277.90
  6. Step 6: Final answer
    x = 10,069.26

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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.