Home / 10,359.09-14,293.05-6,109.80

Finding the Fourth Proportional to 10,359.09, 14,293.05 and 6,109.80

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Solution

The fourth proportional to 10,359.09, 14,293.05 and 6,109.80 is: 8,430.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.09 : 14,293.05 = 6,109.80 : x
  2. Step 2: Convert to fraction form
    10,359.09/14,293.05 = 6,109.80/x
  3. Step 3: Cross multiply
    10,359.09x = 14,293.05 × 6,109.80
  4. Step 4: Simplify right side
    10,359.09x = 87,327,676.89
  5. Step 5: Solve for x
    x = 87,327,676.89/10,359.09
  6. Step 6: Final answer
    x = 8,430.05

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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.