Home / 15,511.80-23,267.70-6,154.05

Finding the Fourth Proportional to 15,511.80, 23,267.70 and 6,154.05

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Solution

The fourth proportional to 15,511.80, 23,267.70 and 6,154.05 is: 9,231.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.80 : 23,267.70 = 6,154.05 : x
  2. Step 2: Convert to fraction form
    15,511.80/23,267.70 = 6,154.05/x
  3. Step 3: Cross multiply
    15,511.80x = 23,267.70 × 6,154.05
  4. Step 4: Simplify right side
    15,511.80x = 143,190,589.19
  5. Step 5: Solve for x
    x = 143,190,589.19/15,511.80
  6. Step 6: Final answer
    x = 9,231.08

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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.