Home / 15,903.20-23,854.80-14,372.30

Finding the Fourth Proportional to 15,903.20, 23,854.80 and 14,372.30

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Solution

The fourth proportional to 15,903.20, 23,854.80 and 14,372.30 is: 21,558.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,903.20 : 23,854.80 = 14,372.30 : x
  2. Step 2: Convert to fraction form
    15,903.20/23,854.80 = 14,372.30/x
  3. Step 3: Cross multiply
    15,903.20x = 23,854.80 × 14,372.30
  4. Step 4: Simplify right side
    15,903.20x = 342,848,342.04
  5. Step 5: Solve for x
    x = 342,848,342.04/15,903.20
  6. Step 6: Final answer
    x = 21,558.45

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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.