Home / 15,985.68-23,979.24-11,582.16

Finding the Fourth Proportional to 15,985.68, 23,979.24 and 11,582.16

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Solution

The fourth proportional to 15,985.68, 23,979.24 and 11,582.16 is: 17,373.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.68 : 23,979.24 = 11,582.16 : x
  2. Step 2: Convert to fraction form
    15,985.68/23,979.24 = 11,582.16/x
  3. Step 3: Cross multiply
    15,985.68x = 23,979.24 × 11,582.16
  4. Step 4: Simplify right side
    15,985.68x = 277,731,394.36
  5. Step 5: Solve for x
    x = 277,731,394.36/15,985.68
  6. Step 6: Final answer
    x = 17,373.76

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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.