Home / 13,008.95-19,508.81-4,686.74

Finding the Fourth Proportional to 13,008.95, 19,508.81 and 4,686.74

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Solution

The fourth proportional to 13,008.95, 19,508.81 and 4,686.74 is: 7,028.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.95 : 19,508.81 = 4,686.74 : x
  2. Step 2: Convert to fraction form
    13,008.95/19,508.81 = 4,686.74/x
  3. Step 3: Cross multiply
    13,008.95x = 19,508.81 × 4,686.74
  4. Step 4: Simplify right side
    13,008.95x = 91,432,634.35
  5. Step 5: Solve for x
    x = 91,432,634.35/13,008.95
  6. Step 6: Final answer
    x = 7,028.44

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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.