Home / 14,870.16-22,309.32-12,089.94

Finding the Fourth Proportional to 14,870.16, 22,309.32 and 12,089.94

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Solution

The fourth proportional to 14,870.16, 22,309.32 and 12,089.94 is: 18,138.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,870.16 : 22,309.32 = 12,089.94 : x
  2. Step 2: Convert to fraction form
    14,870.16/22,309.32 = 12,089.94/x
  3. Step 3: Cross multiply
    14,870.16x = 22,309.32 × 12,089.94
  4. Step 4: Simplify right side
    14,870.16x = 269,718,340.24
  5. Step 5: Solve for x
    x = 269,718,340.24/14,870.16
  6. Step 6: Final answer
    x = 18,138.23

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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.