Home / 15,455.10-23,141.10-12,714.84

Finding the Fourth Proportional to 15,455.10, 23,141.10 and 12,714.84

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Solution

The fourth proportional to 15,455.10, 23,141.10 and 12,714.84 is: 19,038.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455.10 : 23,141.10 = 12,714.84 : x
  2. Step 2: Convert to fraction form
    15,455.10/23,141.10 = 12,714.84/x
  3. Step 3: Cross multiply
    15,455.10x = 23,141.10 × 12,714.84
  4. Step 4: Simplify right side
    15,455.10x = 294,235,383.92
  5. Step 5: Solve for x
    x = 294,235,383.92/15,455.10
  6. Step 6: Final answer
    x = 19,038.08

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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.