Home / 9,428.49-14,139.09-4,500.45

Finding the Fourth Proportional to 9,428.49, 14,139.09 and 4,500.45

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Solution

The fourth proportional to 9,428.49, 14,139.09 and 4,500.45 is: 6,748.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.49 : 14,139.09 = 4,500.45 : x
  2. Step 2: Convert to fraction form
    9,428.49/14,139.09 = 4,500.45/x
  3. Step 3: Cross multiply
    9,428.49x = 14,139.09 × 4,500.45
  4. Step 4: Simplify right side
    9,428.49x = 63,632,267.59
  5. Step 5: Solve for x
    x = 63,632,267.59/9,428.49
  6. Step 6: Final answer
    x = 6,748.94

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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.