Home / 16,913.68-25,374.40-9,122.32

Finding the Fourth Proportional to 16,913.68, 25,374.40 and 9,122.32

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Solution

The fourth proportional to 16,913.68, 25,374.40 and 9,122.32 is: 13,685.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913.68 : 25,374.40 = 9,122.32 : x
  2. Step 2: Convert to fraction form
    16,913.68/25,374.40 = 9,122.32/x
  3. Step 3: Cross multiply
    16,913.68x = 25,374.40 × 9,122.32
  4. Step 4: Simplify right side
    16,913.68x = 231,473,396.61
  5. Step 5: Solve for x
    x = 231,473,396.61/16,913.68
  6. Step 6: Final answer
    x = 13,685.57

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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.