Home / 17,913.06-26,874.18-12,658.50

Finding the Fourth Proportional to 17,913.06, 26,874.18 and 12,658.50

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Solution

The fourth proportional to 17,913.06, 26,874.18 and 12,658.50 is: 18,990.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,913.06 : 26,874.18 = 12,658.50 : x
  2. Step 2: Convert to fraction form
    17,913.06/26,874.18 = 12,658.50/x
  3. Step 3: Cross multiply
    17,913.06x = 26,874.18 × 12,658.50
  4. Step 4: Simplify right side
    17,913.06x = 340,186,807.53
  5. Step 5: Solve for x
    x = 340,186,807.53/17,913.06
  6. Step 6: Final answer
    x = 18,990.99

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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.