Home / 11,616.04-17,390.94-7,712.68

Finding the Fourth Proportional to 11,616.04, 17,390.94 and 7,712.68

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Solution

The fourth proportional to 11,616.04, 17,390.94 and 7,712.68 is: 11,547.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,616.04 : 17,390.94 = 7,712.68 : x
  2. Step 2: Convert to fraction form
    11,616.04/17,390.94 = 7,712.68/x
  3. Step 3: Cross multiply
    11,616.04x = 17,390.94 × 7,712.68
  4. Step 4: Simplify right side
    11,616.04x = 134,130,755.12
  5. Step 5: Solve for x
    x = 134,130,755.12/11,616.04
  6. Step 6: Final answer
    x = 11,547.03

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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.