Home / 10,742.31-16,125.23-8,535.33

Finding the Fourth Proportional to 10,742.31, 16,125.23 and 8,535.33

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Solution

The fourth proportional to 10,742.31, 16,125.23 and 8,535.33 is: 12,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,742.31 : 16,125.23 = 8,535.33 : x
  2. Step 2: Convert to fraction form
    10,742.31/16,125.23 = 8,535.33/x
  3. Step 3: Cross multiply
    10,742.31x = 16,125.23 × 8,535.33
  4. Step 4: Simplify right side
    10,742.31x = 137,634,100.09
  5. Step 5: Solve for x
    x = 137,634,100.09/10,742.31
  6. Step 6: Final answer
    x = 12,812.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.