Home / 15,433.60-23,141.46-13,588.42

Finding the Fourth Proportional to 15,433.60, 23,141.46 and 13,588.42

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Solution

The fourth proportional to 15,433.60, 23,141.46 and 13,588.42 is: 20,374.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,433.60 : 23,141.46 = 13,588.42 : x
  2. Step 2: Convert to fraction form
    15,433.60/23,141.46 = 13,588.42/x
  3. Step 3: Cross multiply
    15,433.60x = 23,141.46 × 13,588.42
  4. Step 4: Simplify right side
    15,433.60x = 314,455,877.89
  5. Step 5: Solve for x
    x = 314,455,877.89/15,433.60
  6. Step 6: Final answer
    x = 20,374.76

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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.