Home / 9,621.99-14,420.63-4,938.17

Finding the Fourth Proportional to 9,621.99, 14,420.63 and 4,938.17

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Solution

The fourth proportional to 9,621.99, 14,420.63 and 4,938.17 is: 7,400.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.99 : 14,420.63 = 4,938.17 : x
  2. Step 2: Convert to fraction form
    9,621.99/14,420.63 = 4,938.17/x
  3. Step 3: Cross multiply
    9,621.99x = 14,420.63 × 4,938.17
  4. Step 4: Simplify right side
    9,621.99x = 71,211,462.69
  5. Step 5: Solve for x
    x = 71,211,462.69/9,621.99
  6. Step 6: Final answer
    x = 7,400.91

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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.