Home / 10,280.84-15,421.66-4,433.45

Finding the Fourth Proportional to 10,280.84, 15,421.66 and 4,433.45

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Solution

The fourth proportional to 10,280.84, 15,421.66 and 4,433.45 is: 6,650.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.84 : 15,421.66 = 4,433.45 : x
  2. Step 2: Convert to fraction form
    10,280.84/15,421.66 = 4,433.45/x
  3. Step 3: Cross multiply
    10,280.84x = 15,421.66 × 4,433.45
  4. Step 4: Simplify right side
    10,280.84x = 68,371,070.34
  5. Step 5: Solve for x
    x = 68,371,070.34/10,280.84
  6. Step 6: Final answer
    x = 6,650.34

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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.