Home / 19,017.54-26,236.17-12,731.94

Finding the Fourth Proportional to 19,017.54, 26,236.17 and 12,731.94

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Solution

The fourth proportional to 19,017.54, 26,236.17 and 12,731.94 is: 17,564.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017.54 : 26,236.17 = 12,731.94 : x
  2. Step 2: Convert to fraction form
    19,017.54/26,236.17 = 12,731.94/x
  3. Step 3: Cross multiply
    19,017.54x = 26,236.17 × 12,731.94
  4. Step 4: Simplify right side
    19,017.54x = 334,037,342.27
  5. Step 5: Solve for x
    x = 334,037,342.27/19,017.54
  6. Step 6: Final answer
    x = 17,564.70

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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.