Home / 22,386.15-30,892.95-12,315.24

Finding the Fourth Proportional to 22,386.15, 30,892.95 and 12,315.24

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Solution

The fourth proportional to 22,386.15, 30,892.95 and 12,315.24 is: 16,995.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,386.15 : 30,892.95 = 12,315.24 : x
  2. Step 2: Convert to fraction form
    22,386.15/30,892.95 = 12,315.24/x
  3. Step 3: Cross multiply
    22,386.15x = 30,892.95 × 12,315.24
  4. Step 4: Simplify right side
    22,386.15x = 380,454,093.56
  5. Step 5: Solve for x
    x = 380,454,093.56/22,386.15
  6. Step 6: Final answer
    x = 16,995.07

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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.