Home / 10,955.04-15,118-5,987.04

Finding the Fourth Proportional to 10,955.04, 15,118 and 5,987.04

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Solution

The fourth proportional to 10,955.04, 15,118 and 5,987.04 is: 8,262.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955.04 : 15,118 = 5,987.04 : x
  2. Step 2: Convert to fraction form
    10,955.04/15,118 = 5,987.04/x
  3. Step 3: Cross multiply
    10,955.04x = 15,118 × 5,987.04
  4. Step 4: Simplify right side
    10,955.04x = 90,512,070.72
  5. Step 5: Solve for x
    x = 90,512,070.72/10,955.04
  6. Step 6: Final answer
    x = 8,262.14

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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.