Home / 10,284.48-14,193.12-6,749.76

Finding the Fourth Proportional to 10,284.48, 14,193.12 and 6,749.76

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Solution

The fourth proportional to 10,284.48, 14,193.12 and 6,749.76 is: 9,315.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.48 : 14,193.12 = 6,749.76 : x
  2. Step 2: Convert to fraction form
    10,284.48/14,193.12 = 6,749.76/x
  3. Step 3: Cross multiply
    10,284.48x = 14,193.12 × 6,749.76
  4. Step 4: Simplify right side
    10,284.48x = 95,800,153.65
  5. Step 5: Solve for x
    x = 95,800,153.65/10,284.48
  6. Step 6: Final answer
    x = 9,315.02

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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.