Home / 19,387.76-29,080.48-6,907.12

Finding the Fourth Proportional to 19,387.76, 29,080.48 and 6,907.12

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Solution

The fourth proportional to 19,387.76, 29,080.48 and 6,907.12 is: 10,360.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.76 : 29,080.48 = 6,907.12 : x
  2. Step 2: Convert to fraction form
    19,387.76/29,080.48 = 6,907.12/x
  3. Step 3: Cross multiply
    19,387.76x = 29,080.48 × 6,907.12
  4. Step 4: Simplify right side
    19,387.76x = 200,862,312.34
  5. Step 5: Solve for x
    x = 200,862,312.34/19,387.76
  6. Step 6: Final answer
    x = 10,360.27

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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.