Home / 13,399.59-18,506.25-10,410.89

Finding the Fourth Proportional to 13,399.59, 18,506.25 and 10,410.89

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Solution

The fourth proportional to 13,399.59, 18,506.25 and 10,410.89 is: 14,378.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,399.59 : 18,506.25 = 10,410.89 : x
  2. Step 2: Convert to fraction form
    13,399.59/18,506.25 = 10,410.89/x
  3. Step 3: Cross multiply
    13,399.59x = 18,506.25 × 10,410.89
  4. Step 4: Simplify right side
    13,399.59x = 192,666,440.53
  5. Step 5: Solve for x
    x = 192,666,440.53/13,399.59
  6. Step 6: Final answer
    x = 14,378.53

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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.