Home / 10,750.08-16,123.84-4,905.12

Finding the Fourth Proportional to 10,750.08, 16,123.84 and 4,905.12

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Solution

The fourth proportional to 10,750.08, 16,123.84 and 4,905.12 is: 7,357.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,750.08 : 16,123.84 = 4,905.12 : x
  2. Step 2: Convert to fraction form
    10,750.08/16,123.84 = 4,905.12/x
  3. Step 3: Cross multiply
    10,750.08x = 16,123.84 × 4,905.12
  4. Step 4: Simplify right side
    10,750.08x = 79,089,370.06
  5. Step 5: Solve for x
    x = 79,089,370.06/10,750.08
  6. Step 6: Final answer
    x = 7,357.10

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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.