Home / 23,315.16-34,983.08-12,219.20

Finding the Fourth Proportional to 23,315.16, 34,983.08 and 12,219.20

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Solution

The fourth proportional to 23,315.16, 34,983.08 and 12,219.20 is: 18,334.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,315.16 : 34,983.08 = 12,219.20 : x
  2. Step 2: Convert to fraction form
    23,315.16/34,983.08 = 12,219.20/x
  3. Step 3: Cross multiply
    23,315.16x = 34,983.08 × 12,219.20
  4. Step 4: Simplify right side
    23,315.16x = 427,465,251.14
  5. Step 5: Solve for x
    x = 427,465,251.14/23,315.16
  6. Step 6: Final answer
    x = 18,334.22

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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.