Home / 21,448.77-32,162.63-6,654.93

Finding the Fourth Proportional to 21,448.77, 32,162.63 and 6,654.93

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Solution

The fourth proportional to 21,448.77, 32,162.63 and 6,654.93 is: 9,979.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,448.77 : 32,162.63 = 6,654.93 : x
  2. Step 2: Convert to fraction form
    21,448.77/32,162.63 = 6,654.93/x
  3. Step 3: Cross multiply
    21,448.77x = 32,162.63 × 6,654.93
  4. Step 4: Simplify right side
    21,448.77x = 214,040,017.99
  5. Step 5: Solve for x
    x = 214,040,017.99/21,448.77
  6. Step 6: Final answer
    x = 9,979.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.