Home / 10,342.40-15,511.25-2,946.69

Finding the Fourth Proportional to 10,342.40, 15,511.25 and 2,946.69

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Solution

The fourth proportional to 10,342.40, 15,511.25 and 2,946.69 is: 4,419.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.40 : 15,511.25 = 2,946.69 : x
  2. Step 2: Convert to fraction form
    10,342.40/15,511.25 = 2,946.69/x
  3. Step 3: Cross multiply
    10,342.40x = 15,511.25 × 2,946.69
  4. Step 4: Simplify right side
    10,342.40x = 45,706,852.63
  5. Step 5: Solve for x
    x = 45,706,852.63/10,342.40
  6. Step 6: Final answer
    x = 4,419.37

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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.