Home / 12,388.23-17,095.77-7,084.08

Finding the Fourth Proportional to 12,388.23, 17,095.77 and 7,084.08

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Solution

The fourth proportional to 12,388.23, 17,095.77 and 7,084.08 is: 9,776.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,388.23 : 17,095.77 = 7,084.08 : x
  2. Step 2: Convert to fraction form
    12,388.23/17,095.77 = 7,084.08/x
  3. Step 3: Cross multiply
    12,388.23x = 17,095.77 × 7,084.08
  4. Step 4: Simplify right side
    12,388.23x = 121,107,802.34
  5. Step 5: Solve for x
    x = 121,107,802.34/12,388.23
  6. Step 6: Final answer
    x = 9,776.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.