Home / 10,219.80-15,329.70-7,267.35

Finding the Fourth Proportional to 10,219.80, 15,329.70 and 7,267.35

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Solution

The fourth proportional to 10,219.80, 15,329.70 and 7,267.35 is: 10,901.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.80 : 15,329.70 = 7,267.35 : x
  2. Step 2: Convert to fraction form
    10,219.80/15,329.70 = 7,267.35/x
  3. Step 3: Cross multiply
    10,219.80x = 15,329.70 × 7,267.35
  4. Step 4: Simplify right side
    10,219.80x = 111,406,295.30
  5. Step 5: Solve for x
    x = 111,406,295.30/10,219.80
  6. Step 6: Final answer
    x = 10,901.03

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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.