Home / 14,864.20-22,216.32-12,975.08

Finding the Fourth Proportional to 14,864.20, 22,216.32 and 12,975.08

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Solution

The fourth proportional to 14,864.20, 22,216.32 and 12,975.08 is: 19,392.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,864.20 : 22,216.32 = 12,975.08 : x
  2. Step 2: Convert to fraction form
    14,864.20/22,216.32 = 12,975.08/x
  3. Step 3: Cross multiply
    14,864.20x = 22,216.32 × 12,975.08
  4. Step 4: Simplify right side
    14,864.20x = 288,258,418.22
  5. Step 5: Solve for x
    x = 288,258,418.22/14,864.20
  6. Step 6: Final answer
    x = 19,392.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.