Home / 10,620.72-14,656.95-5,840.85

Finding the Fourth Proportional to 10,620.72, 14,656.95 and 5,840.85

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Solution

The fourth proportional to 10,620.72, 14,656.95 and 5,840.85 is: 8,060.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.72 : 14,656.95 = 5,840.85 : x
  2. Step 2: Convert to fraction form
    10,620.72/14,656.95 = 5,840.85/x
  3. Step 3: Cross multiply
    10,620.72x = 14,656.95 × 5,840.85
  4. Step 4: Simplify right side
    10,620.72x = 85,609,046.41
  5. Step 5: Solve for x
    x = 85,609,046.41/10,620.72
  6. Step 6: Final answer
    x = 8,060.57

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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.