Home / 18,984.18-26,193.17-13,017.70

Finding the Fourth Proportional to 18,984.18, 26,193.17 and 13,017.70

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Solution

The fourth proportional to 18,984.18, 26,193.17 and 13,017.70 is: 17,961.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984.18 : 26,193.17 = 13,017.70 : x
  2. Step 2: Convert to fraction form
    18,984.18/26,193.17 = 13,017.70/x
  3. Step 3: Cross multiply
    18,984.18x = 26,193.17 × 13,017.70
  4. Step 4: Simplify right side
    18,984.18x = 340,974,829.11
  5. Step 5: Solve for x
    x = 340,974,829.11/18,984.18
  6. Step 6: Final answer
    x = 17,961.00

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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.