Home / 19,118.95-26,406.23-12,735.02

Finding the Fourth Proportional to 19,118.95, 26,406.23 and 12,735.02

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Solution

The fourth proportional to 19,118.95, 26,406.23 and 12,735.02 is: 17,589.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.95 : 26,406.23 = 12,735.02 : x
  2. Step 2: Convert to fraction form
    19,118.95/26,406.23 = 12,735.02/x
  3. Step 3: Cross multiply
    19,118.95x = 26,406.23 × 12,735.02
  4. Step 4: Simplify right side
    19,118.95x = 336,283,869.52
  5. Step 5: Solve for x
    x = 336,283,869.52/19,118.95
  6. Step 6: Final answer
    x = 17,589.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.