Home / 15,983.16-23,984.40-6,623.40

Finding the Fourth Proportional to 15,983.16, 23,984.40 and 6,623.40

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Solution

The fourth proportional to 15,983.16, 23,984.40 and 6,623.40 is: 9,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.16 : 23,984.40 = 6,623.40 : x
  2. Step 2: Convert to fraction form
    15,983.16/23,984.40 = 6,623.40/x
  3. Step 3: Cross multiply
    15,983.16x = 23,984.40 × 6,623.40
  4. Step 4: Simplify right side
    15,983.16x = 158,858,274.96
  5. Step 5: Solve for x
    x = 158,858,274.96/15,983.16
  6. Step 6: Final answer
    x = 9,939.10

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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.