Home / 11,987.83-16,543.28-6,955.05

Finding the Fourth Proportional to 11,987.83, 16,543.28 and 6,955.05

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Solution

The fourth proportional to 11,987.83, 16,543.28 and 6,955.05 is: 9,598.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,987.83 : 16,543.28 = 6,955.05 : x
  2. Step 2: Convert to fraction form
    11,987.83/16,543.28 = 6,955.05/x
  3. Step 3: Cross multiply
    11,987.83x = 16,543.28 × 6,955.05
  4. Step 4: Simplify right side
    11,987.83x = 115,059,263.43
  5. Step 5: Solve for x
    x = 115,059,263.43/11,987.83
  6. Step 6: Final answer
    x = 9,598.01

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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.