Home / 12,835.35-19,244.70-5,437.80

Finding the Fourth Proportional to 12,835.35, 19,244.70 and 5,437.80

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Solution

The fourth proportional to 12,835.35, 19,244.70 and 5,437.80 is: 8,153.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,835.35 : 19,244.70 = 5,437.80 : x
  2. Step 2: Convert to fraction form
    12,835.35/19,244.70 = 5,437.80/x
  3. Step 3: Cross multiply
    12,835.35x = 19,244.70 × 5,437.80
  4. Step 4: Simplify right side
    12,835.35x = 104,648,829.66
  5. Step 5: Solve for x
    x = 104,648,829.66/12,835.35
  6. Step 6: Final answer
    x = 8,153.17

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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.