Home / 18,269.34-25,211.70-12,683.58

Finding the Fourth Proportional to 18,269.34, 25,211.70 and 12,683.58

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Solution

The fourth proportional to 18,269.34, 25,211.70 and 12,683.58 is: 17,503.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.34 : 25,211.70 = 12,683.58 : x
  2. Step 2: Convert to fraction form
    18,269.34/25,211.70 = 12,683.58/x
  3. Step 3: Cross multiply
    18,269.34x = 25,211.70 × 12,683.58
  4. Step 4: Simplify right side
    18,269.34x = 319,774,613.89
  5. Step 5: Solve for x
    x = 319,774,613.89/18,269.34
  6. Step 6: Final answer
    x = 17,503.35

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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.