Home / 10,064.40-13,890.60-5,874.72

Finding the Fourth Proportional to 10,064.40, 13,890.60 and 5,874.72

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Solution

The fourth proportional to 10,064.40, 13,890.60 and 5,874.72 is: 8,108.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,064.40 : 13,890.60 = 5,874.72 : x
  2. Step 2: Convert to fraction form
    10,064.40/13,890.60 = 5,874.72/x
  3. Step 3: Cross multiply
    10,064.40x = 13,890.60 × 5,874.72
  4. Step 4: Simplify right side
    10,064.40x = 81,603,385.63
  5. Step 5: Solve for x
    x = 81,603,385.63/10,064.40
  6. Step 6: Final answer
    x = 8,108.12

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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.