Home / 22,370.13-30,871.16-12,298.99

Finding the Fourth Proportional to 22,370.13, 30,871.16 and 12,298.99

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Solution

The fourth proportional to 22,370.13, 30,871.16 and 12,298.99 is: 16,972.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,370.13 : 30,871.16 = 12,298.99 : x
  2. Step 2: Convert to fraction form
    22,370.13/30,871.16 = 12,298.99/x
  3. Step 3: Cross multiply
    22,370.13x = 30,871.16 × 12,298.99
  4. Step 4: Simplify right side
    22,370.13x = 379,684,088.13
  5. Step 5: Solve for x
    x = 379,684,088.13/22,370.13
  6. Step 6: Final answer
    x = 16,972.82

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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.