Home / 18,897.12-26,069.30-12,184.90

Finding the Fourth Proportional to 18,897.12, 26,069.30 and 12,184.90

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Solution

The fourth proportional to 18,897.12, 26,069.30 and 12,184.90 is: 16,809.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,897.12 : 26,069.30 = 12,184.90 : x
  2. Step 2: Convert to fraction form
    18,897.12/26,069.30 = 12,184.90/x
  3. Step 3: Cross multiply
    18,897.12x = 26,069.30 × 12,184.90
  4. Step 4: Simplify right side
    18,897.12x = 317,651,878.74
  5. Step 5: Solve for x
    x = 317,651,878.74/18,897.12
  6. Step 6: Final answer
    x = 16,809.54

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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.