Home / 10,880.07-16,305.48-8,955.51

Finding the Fourth Proportional to 10,880.07, 16,305.48 and 8,955.51

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Solution

The fourth proportional to 10,880.07, 16,305.48 and 8,955.51 is: 13,421.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.07 : 16,305.48 = 8,955.51 : x
  2. Step 2: Convert to fraction form
    10,880.07/16,305.48 = 8,955.51/x
  3. Step 3: Cross multiply
    10,880.07x = 16,305.48 × 8,955.51
  4. Step 4: Simplify right side
    10,880.07x = 146,023,889.19
  5. Step 5: Solve for x
    x = 146,023,889.19/10,880.07
  6. Step 6: Final answer
    x = 13,421.23

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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.