Home / 11,602.32-16,009.56-6,888.48

Finding the Fourth Proportional to 11,602.32, 16,009.56 and 6,888.48

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Solution

The fourth proportional to 11,602.32, 16,009.56 and 6,888.48 is: 9,505.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,602.32 : 16,009.56 = 6,888.48 : x
  2. Step 2: Convert to fraction form
    11,602.32/16,009.56 = 6,888.48/x
  3. Step 3: Cross multiply
    11,602.32x = 16,009.56 × 6,888.48
  4. Step 4: Simplify right side
    11,602.32x = 110,281,533.87
  5. Step 5: Solve for x
    x = 110,281,533.87/11,602.32
  6. Step 6: Final answer
    x = 9,505.13

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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.