Home / 10,014.52-15,030.69-5,338.39

Finding the Fourth Proportional to 10,014.52, 15,030.69 and 5,338.39

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Solution

The fourth proportional to 10,014.52, 15,030.69 and 5,338.39 is: 8,012.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.52 : 15,030.69 = 5,338.39 : x
  2. Step 2: Convert to fraction form
    10,014.52/15,030.69 = 5,338.39/x
  3. Step 3: Cross multiply
    10,014.52x = 15,030.69 × 5,338.39
  4. Step 4: Simplify right side
    10,014.52x = 80,239,685.19
  5. Step 5: Solve for x
    x = 80,239,685.19/10,014.52
  6. Step 6: Final answer
    x = 8,012.33

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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.