Home / 10,622.76-14,658.54-6,146.82

Finding the Fourth Proportional to 10,622.76, 14,658.54 and 6,146.82

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Solution

The fourth proportional to 10,622.76, 14,658.54 and 6,146.82 is: 8,482.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,622.76 : 14,658.54 = 6,146.82 : x
  2. Step 2: Convert to fraction form
    10,622.76/14,658.54 = 6,146.82/x
  3. Step 3: Cross multiply
    10,622.76x = 14,658.54 × 6,146.82
  4. Step 4: Simplify right side
    10,622.76x = 90,103,406.84
  5. Step 5: Solve for x
    x = 90,103,406.84/10,622.76
  6. Step 6: Final answer
    x = 8,482.11

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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.