Home / 13,349.70-20,021.40-5,030.52

Finding the Fourth Proportional to 13,349.70, 20,021.40 and 5,030.52

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Solution

The fourth proportional to 13,349.70, 20,021.40 and 5,030.52 is: 7,544.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349.70 : 20,021.40 = 5,030.52 : x
  2. Step 2: Convert to fraction form
    13,349.70/20,021.40 = 5,030.52/x
  3. Step 3: Cross multiply
    13,349.70x = 20,021.40 × 5,030.52
  4. Step 4: Simplify right side
    13,349.70x = 100,718,053.13
  5. Step 5: Solve for x
    x = 100,718,053.13/13,349.70
  6. Step 6: Final answer
    x = 7,544.59

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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.