Home / 10,070.07-13,885.86-6,291.85

Finding the Fourth Proportional to 10,070.07, 13,885.86 and 6,291.85

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Solution

The fourth proportional to 10,070.07, 13,885.86 and 6,291.85 is: 8,675.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070.07 : 13,885.86 = 6,291.85 : x
  2. Step 2: Convert to fraction form
    10,070.07/13,885.86 = 6,291.85/x
  3. Step 3: Cross multiply
    10,070.07x = 13,885.86 × 6,291.85
  4. Step 4: Simplify right side
    10,070.07x = 87,367,716.78
  5. Step 5: Solve for x
    x = 87,367,716.78/10,070.07
  6. Step 6: Final answer
    x = 8,675.98

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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.