Home / 22,384.02-30,890.08-12,313.10

Finding the Fourth Proportional to 22,384.02, 30,890.08 and 12,313.10

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Solution

The fourth proportional to 22,384.02, 30,890.08 and 12,313.10 is: 16,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,384.02 : 30,890.08 = 12,313.10 : x
  2. Step 2: Convert to fraction form
    22,384.02/30,890.08 = 12,313.10/x
  3. Step 3: Cross multiply
    22,384.02x = 30,890.08 × 12,313.10
  4. Step 4: Simplify right side
    22,384.02x = 380,352,644.05
  5. Step 5: Solve for x
    x = 380,352,644.05/22,384.02
  6. Step 6: Final answer
    x = 16,992.15

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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.