Home / 14,934.54-20,607.57-9,890.94

Finding the Fourth Proportional to 14,934.54, 20,607.57 and 9,890.94

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Solution

The fourth proportional to 14,934.54, 20,607.57 and 9,890.94 is: 13,648.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,934.54 : 20,607.57 = 9,890.94 : x
  2. Step 2: Convert to fraction form
    14,934.54/20,607.57 = 9,890.94/x
  3. Step 3: Cross multiply
    14,934.54x = 20,607.57 × 9,890.94
  4. Step 4: Simplify right side
    14,934.54x = 203,828,238.42
  5. Step 5: Solve for x
    x = 203,828,238.42/14,934.54
  6. Step 6: Final answer
    x = 13,648.11

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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.