Home / 34,212.12-51,323.10-10,830.60

Finding the Fourth Proportional to 34,212.12, 51,323.10 and 10,830.60

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Solution

The fourth proportional to 34,212.12, 51,323.10 and 10,830.60 is: 16,247.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,212.12 : 51,323.10 = 10,830.60 : x
  2. Step 2: Convert to fraction form
    34,212.12/51,323.10 = 10,830.60/x
  3. Step 3: Cross multiply
    34,212.12x = 51,323.10 × 10,830.60
  4. Step 4: Simplify right side
    34,212.12x = 555,859,966.86
  5. Step 5: Solve for x
    x = 555,859,966.86/34,212.12
  6. Step 6: Final answer
    x = 16,247.46

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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.