Home / 12,820.24-19,230.86-4,926.59

Finding the Fourth Proportional to 12,820.24, 19,230.86 and 4,926.59

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Solution

The fourth proportional to 12,820.24, 19,230.86 and 4,926.59 is: 7,390.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,820.24 : 19,230.86 = 4,926.59 : x
  2. Step 2: Convert to fraction form
    12,820.24/19,230.86 = 4,926.59/x
  3. Step 3: Cross multiply
    12,820.24x = 19,230.86 × 4,926.59
  4. Step 4: Simplify right side
    12,820.24x = 94,742,478.73
  5. Step 5: Solve for x
    x = 94,742,478.73/12,820.24
  6. Step 6: Final answer
    x = 7,390.07

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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.