Home / 13,644.90-20,455.35-9,248.10

Finding the Fourth Proportional to 13,644.90, 20,455.35 and 9,248.10

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Solution

The fourth proportional to 13,644.90, 20,455.35 and 9,248.10 is: 13,864.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644.90 : 20,455.35 = 9,248.10 : x
  2. Step 2: Convert to fraction form
    13,644.90/20,455.35 = 9,248.10/x
  3. Step 3: Cross multiply
    13,644.90x = 20,455.35 × 9,248.10
  4. Step 4: Simplify right side
    13,644.90x = 189,173,122.34
  5. Step 5: Solve for x
    x = 189,173,122.34/13,644.90
  6. Step 6: Final answer
    x = 13,864.02

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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.