Home / 13,362.57-18,423.86-10,969.83

Finding the Fourth Proportional to 13,362.57, 18,423.86 and 10,969.83

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Solution

The fourth proportional to 13,362.57, 18,423.86 and 10,969.83 is: 15,124.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.57 : 18,423.86 = 10,969.83 : x
  2. Step 2: Convert to fraction form
    13,362.57/18,423.86 = 10,969.83/x
  3. Step 3: Cross multiply
    13,362.57x = 18,423.86 × 10,969.83
  4. Step 4: Simplify right side
    13,362.57x = 202,106,557.29
  5. Step 5: Solve for x
    x = 202,106,557.29/13,362.57
  6. Step 6: Final answer
    x = 15,124.83

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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.