Home / 19,340.76-29,011.75-6,860.59

Finding the Fourth Proportional to 19,340.76, 29,011.75 and 6,860.59

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Solution

The fourth proportional to 19,340.76, 29,011.75 and 6,860.59 is: 10,291.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,340.76 : 29,011.75 = 6,860.59 : x
  2. Step 2: Convert to fraction form
    19,340.76/29,011.75 = 6,860.59/x
  3. Step 3: Cross multiply
    19,340.76x = 29,011.75 × 6,860.59
  4. Step 4: Simplify right side
    19,340.76x = 199,037,721.93
  5. Step 5: Solve for x
    x = 199,037,721.93/19,340.76
  6. Step 6: Final answer
    x = 10,291.10

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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.