Home / 18,242.34-25,168.67-10,683.53

Finding the Fourth Proportional to 18,242.34, 25,168.67 and 10,683.53

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Solution

The fourth proportional to 18,242.34, 25,168.67 and 10,683.53 is: 14,739.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242.34 : 25,168.67 = 10,683.53 : x
  2. Step 2: Convert to fraction form
    18,242.34/25,168.67 = 10,683.53/x
  3. Step 3: Cross multiply
    18,242.34x = 25,168.67 × 10,683.53
  4. Step 4: Simplify right side
    18,242.34x = 268,890,061.74
  5. Step 5: Solve for x
    x = 268,890,061.74/18,242.34
  6. Step 6: Final answer
    x = 14,739.89

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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.