Home / 10,065.87-15,087.76-4,511.57

Finding the Fourth Proportional to 10,065.87, 15,087.76 and 4,511.57

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Solution

The fourth proportional to 10,065.87, 15,087.76 and 4,511.57 is: 6,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065.87 : 15,087.76 = 4,511.57 : x
  2. Step 2: Convert to fraction form
    10,065.87/15,087.76 = 4,511.57/x
  3. Step 3: Cross multiply
    10,065.87x = 15,087.76 × 4,511.57
  4. Step 4: Simplify right side
    10,065.87x = 68,069,398.67
  5. Step 5: Solve for x
    x = 68,069,398.67/10,065.87
  6. Step 6: Final answer
    x = 6,762.40

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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.