Home / 9,140.15-13,699.17-4,453.13

Finding the Fourth Proportional to 9,140.15, 13,699.17 and 4,453.13

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Solution

The fourth proportional to 9,140.15, 13,699.17 and 4,453.13 is: 6,674.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.15 : 13,699.17 = 4,453.13 : x
  2. Step 2: Convert to fraction form
    9,140.15/13,699.17 = 4,453.13/x
  3. Step 3: Cross multiply
    9,140.15x = 13,699.17 × 4,453.13
  4. Step 4: Simplify right side
    9,140.15x = 61,004,116.41
  5. Step 5: Solve for x
    x = 61,004,116.41/9,140.15
  6. Step 6: Final answer
    x = 6,674.31

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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.