Home / 14,690.40-22,013.71-8,118.46

Finding the Fourth Proportional to 14,690.40, 22,013.71 and 8,118.46

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Solution

The fourth proportional to 14,690.40, 22,013.71 and 8,118.46 is: 12,165.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.40 : 22,013.71 = 8,118.46 : x
  2. Step 2: Convert to fraction form
    14,690.40/22,013.71 = 8,118.46/x
  3. Step 3: Cross multiply
    14,690.40x = 22,013.71 × 8,118.46
  4. Step 4: Simplify right side
    14,690.40x = 178,717,424.09
  5. Step 5: Solve for x
    x = 178,717,424.09/14,690.40
  6. Step 6: Final answer
    x = 12,165.59

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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.