Home / 13,554.42-18,688.23-10,371.66

Finding the Fourth Proportional to 13,554.42, 18,688.23 and 10,371.66

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Solution

The fourth proportional to 13,554.42, 18,688.23 and 10,371.66 is: 14,299.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.42 : 18,688.23 = 10,371.66 : x
  2. Step 2: Convert to fraction form
    13,554.42/18,688.23 = 10,371.66/x
  3. Step 3: Cross multiply
    13,554.42x = 18,688.23 × 10,371.66
  4. Step 4: Simplify right side
    13,554.42x = 193,827,967.56
  5. Step 5: Solve for x
    x = 193,827,967.56/13,554.42
  6. Step 6: Final answer
    x = 14,299.98

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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.