Home / 10,379.12-14,316.54-6,344.06

Finding the Fourth Proportional to 10,379.12, 14,316.54 and 6,344.06

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Solution

The fourth proportional to 10,379.12, 14,316.54 and 6,344.06 is: 8,750.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.12 : 14,316.54 = 6,344.06 : x
  2. Step 2: Convert to fraction form
    10,379.12/14,316.54 = 6,344.06/x
  3. Step 3: Cross multiply
    10,379.12x = 14,316.54 × 6,344.06
  4. Step 4: Simplify right side
    10,379.12x = 90,824,988.75
  5. Step 5: Solve for x
    x = 90,824,988.75/10,379.12
  6. Step 6: Final answer
    x = 8,750.74

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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.