Home / 10,106.99-13,948.23-5,630.59

Finding the Fourth Proportional to 10,106.99, 13,948.23 and 5,630.59

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Solution

The fourth proportional to 10,106.99, 13,948.23 and 5,630.59 is: 7,770.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.99 : 13,948.23 = 5,630.59 : x
  2. Step 2: Convert to fraction form
    10,106.99/13,948.23 = 5,630.59/x
  3. Step 3: Cross multiply
    10,106.99x = 13,948.23 × 5,630.59
  4. Step 4: Simplify right side
    10,106.99x = 78,536,764.36
  5. Step 5: Solve for x
    x = 78,536,764.36/10,106.99
  6. Step 6: Final answer
    x = 7,770.54

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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.