Home / 11,980.48-16,533.06-6,602.91

Finding the Fourth Proportional to 11,980.48, 16,533.06 and 6,602.91

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Solution

The fourth proportional to 11,980.48, 16,533.06 and 6,602.91 is: 9,112.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.48 : 16,533.06 = 6,602.91 : x
  2. Step 2: Convert to fraction form
    11,980.48/16,533.06 = 6,602.91/x
  3. Step 3: Cross multiply
    11,980.48x = 16,533.06 × 6,602.91
  4. Step 4: Simplify right side
    11,980.48x = 109,166,345.98
  5. Step 5: Solve for x
    x = 109,166,345.98/11,980.48
  6. Step 6: Final answer
    x = 9,112.02

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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.