Home / 10,346.74-15,511.29-4,105.30

Finding the Fourth Proportional to 10,346.74, 15,511.29 and 4,105.30

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Solution

The fourth proportional to 10,346.74, 15,511.29 and 4,105.30 is: 6,154.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.74 : 15,511.29 = 4,105.30 : x
  2. Step 2: Convert to fraction form
    10,346.74/15,511.29 = 4,105.30/x
  3. Step 3: Cross multiply
    10,346.74x = 15,511.29 × 4,105.30
  4. Step 4: Simplify right side
    10,346.74x = 63,678,498.84
  5. Step 5: Solve for x
    x = 63,678,498.84/10,346.74
  6. Step 6: Final answer
    x = 6,154.45

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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.