Home / 10,740.76-16,112.64-3,345.76

Finding the Fourth Proportional to 10,740.76, 16,112.64 and 3,345.76

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Solution

The fourth proportional to 10,740.76, 16,112.64 and 3,345.76 is: 5,019.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,740.76 : 16,112.64 = 3,345.76 : x
  2. Step 2: Convert to fraction form
    10,740.76/16,112.64 = 3,345.76/x
  3. Step 3: Cross multiply
    10,740.76x = 16,112.64 × 3,345.76
  4. Step 4: Simplify right side
    10,740.76x = 53,909,026.41
  5. Step 5: Solve for x
    x = 53,909,026.41/10,740.76
  6. Step 6: Final answer
    x = 5,019.11

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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.