Home / 19,284.32-28,953.25-9,931.03

Finding the Fourth Proportional to 19,284.32, 28,953.25 and 9,931.03

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Solution

The fourth proportional to 19,284.32, 28,953.25 and 9,931.03 is: 14,910.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,284.32 : 28,953.25 = 9,931.03 : x
  2. Step 2: Convert to fraction form
    19,284.32/28,953.25 = 9,931.03/x
  3. Step 3: Cross multiply
    19,284.32x = 28,953.25 × 9,931.03
  4. Step 4: Simplify right side
    19,284.32x = 287,535,594.35
  5. Step 5: Solve for x
    x = 287,535,594.35/19,284.32
  6. Step 6: Final answer
    x = 14,910.33

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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.