Home / 16,784.40-25,165.50-9,389.64

Finding the Fourth Proportional to 16,784.40, 25,165.50 and 9,389.64

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Solution

The fourth proportional to 16,784.40, 25,165.50 and 9,389.64 is: 14,078.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,784.40 : 25,165.50 = 9,389.64 : x
  2. Step 2: Convert to fraction form
    16,784.40/25,165.50 = 9,389.64/x
  3. Step 3: Cross multiply
    16,784.40x = 25,165.50 × 9,389.64
  4. Step 4: Simplify right side
    16,784.40x = 236,294,985.42
  5. Step 5: Solve for x
    x = 236,294,985.42/16,784.40
  6. Step 6: Final answer
    x = 14,078.25

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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.