Home / 23,519.95-32,455.41-12,909.35

Finding the Fourth Proportional to 23,519.95, 32,455.41 and 12,909.35

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Solution

The fourth proportional to 23,519.95, 32,455.41 and 12,909.35 is: 17,813.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,519.95 : 32,455.41 = 12,909.35 : x
  2. Step 2: Convert to fraction form
    23,519.95/32,455.41 = 12,909.35/x
  3. Step 3: Cross multiply
    23,519.95x = 32,455.41 × 12,909.35
  4. Step 4: Simplify right side
    23,519.95x = 418,978,247.08
  5. Step 5: Solve for x
    x = 418,978,247.08/23,519.95
  6. Step 6: Final answer
    x = 17,813.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.