Home / 19,946.55-29,925.37-8,702.87

Finding the Fourth Proportional to 19,946.55, 29,925.37 and 8,702.87

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Solution

The fourth proportional to 19,946.55, 29,925.37 and 8,702.87 is: 13,056.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,946.55 : 29,925.37 = 8,702.87 : x
  2. Step 2: Convert to fraction form
    19,946.55/29,925.37 = 8,702.87/x
  3. Step 3: Cross multiply
    19,946.55x = 29,925.37 × 8,702.87
  4. Step 4: Simplify right side
    19,946.55x = 260,436,604.81
  5. Step 5: Solve for x
    x = 260,436,604.81/19,946.55
  6. Step 6: Final answer
    x = 13,056.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.