Home / 10,962.09-16,445.57-5,115.51

Finding the Fourth Proportional to 10,962.09, 16,445.57 and 5,115.51

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Solution

The fourth proportional to 10,962.09, 16,445.57 and 5,115.51 is: 7,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,962.09 : 16,445.57 = 5,115.51 : x
  2. Step 2: Convert to fraction form
    10,962.09/16,445.57 = 5,115.51/x
  3. Step 3: Cross multiply
    10,962.09x = 16,445.57 × 5,115.51
  4. Step 4: Simplify right side
    10,962.09x = 84,127,477.79
  5. Step 5: Solve for x
    x = 84,127,477.79/10,962.09
  6. Step 6: Final answer
    x = 7,674.40

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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.