Home / 9,491.20-13,097.85-5,299.45

Finding the Fourth Proportional to 9,491.20, 13,097.85 and 5,299.45

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Solution

The fourth proportional to 9,491.20, 13,097.85 and 5,299.45 is: 7,313.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,491.20 : 13,097.85 = 5,299.45 : x
  2. Step 2: Convert to fraction form
    9,491.20/13,097.85 = 5,299.45/x
  3. Step 3: Cross multiply
    9,491.20x = 13,097.85 × 5,299.45
  4. Step 4: Simplify right side
    9,491.20x = 69,411,401.18
  5. Step 5: Solve for x
    x = 69,411,401.18/9,491.20
  6. Step 6: Final answer
    x = 7,313.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.