Home / 13,356.23-18,411.91-9,813.29

Finding the Fourth Proportional to 13,356.23, 18,411.91 and 9,813.29

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Solution

The fourth proportional to 13,356.23, 18,411.91 and 9,813.29 is: 13,527.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356.23 : 18,411.91 = 9,813.29 : x
  2. Step 2: Convert to fraction form
    13,356.23/18,411.91 = 9,813.29/x
  3. Step 3: Cross multiply
    13,356.23x = 18,411.91 × 9,813.29
  4. Step 4: Simplify right side
    13,356.23x = 180,681,295.69
  5. Step 5: Solve for x
    x = 180,681,295.69/13,356.23
  6. Step 6: Final answer
    x = 13,527.87

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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.