Home / 10,608.64-14,638.80-6,131.68

Finding the Fourth Proportional to 10,608.64, 14,638.80 and 6,131.68

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Solution

The fourth proportional to 10,608.64, 14,638.80 and 6,131.68 is: 8,461.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,608.64 : 14,638.80 = 6,131.68 : x
  2. Step 2: Convert to fraction form
    10,608.64/14,638.80 = 6,131.68/x
  3. Step 3: Cross multiply
    10,608.64x = 14,638.80 × 6,131.68
  4. Step 4: Simplify right side
    10,608.64x = 89,760,437.18
  5. Step 5: Solve for x
    x = 89,760,437.18/10,608.64
  6. Step 6: Final answer
    x = 8,461.07

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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.