Home / 18,714.38-28,056.85-9,349.57

Finding the Fourth Proportional to 18,714.38, 28,056.85 and 9,349.57

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Solution

The fourth proportional to 18,714.38, 28,056.85 and 9,349.57 is: 14,017.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,714.38 : 28,056.85 = 9,349.57 : x
  2. Step 2: Convert to fraction form
    18,714.38/28,056.85 = 9,349.57/x
  3. Step 3: Cross multiply
    18,714.38x = 28,056.85 × 9,349.57
  4. Step 4: Simplify right side
    18,714.38x = 262,319,483.05
  5. Step 5: Solve for x
    x = 262,319,483.05/18,714.38
  6. Step 6: Final answer
    x = 14,017.00

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1.5x scale

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.