Home / 11,088.32-16,632.16-2,880.32

Finding the Fourth Proportional to 11,088.32, 16,632.16 and 2,880.32

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Solution

The fourth proportional to 11,088.32, 16,632.16 and 2,880.32 is: 4,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,088.32 : 16,632.16 = 2,880.32 : x
  2. Step 2: Convert to fraction form
    11,088.32/16,632.16 = 2,880.32/x
  3. Step 3: Cross multiply
    11,088.32x = 16,632.16 × 2,880.32
  4. Step 4: Simplify right side
    11,088.32x = 47,905,943.09
  5. Step 5: Solve for x
    x = 47,905,943.09/11,088.32
  6. Step 6: Final answer
    x = 4,320.40

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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.