Home / 19,321.16-28,962.13-10,983.95

Finding the Fourth Proportional to 19,321.16, 28,962.13 and 10,983.95

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Solution

The fourth proportional to 19,321.16, 28,962.13 and 10,983.95 is: 16,464.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321.16 : 28,962.13 = 10,983.95 : x
  2. Step 2: Convert to fraction form
    19,321.16/28,962.13 = 10,983.95/x
  3. Step 3: Cross multiply
    19,321.16x = 28,962.13 × 10,983.95
  4. Step 4: Simplify right side
    19,321.16x = 318,118,443.00
  5. Step 5: Solve for x
    x = 318,118,443.00/19,321.16
  6. Step 6: Final answer
    x = 16,464.77

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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.