Home / 15,688.20-23,529.60-5,822.40

Finding the Fourth Proportional to 15,688.20, 23,529.60 and 5,822.40

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Solution

The fourth proportional to 15,688.20, 23,529.60 and 5,822.40 is: 8,732.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,688.20 : 23,529.60 = 5,822.40 : x
  2. Step 2: Convert to fraction form
    15,688.20/23,529.60 = 5,822.40/x
  3. Step 3: Cross multiply
    15,688.20x = 23,529.60 × 5,822.40
  4. Step 4: Simplify right side
    15,688.20x = 136,998,743.04
  5. Step 5: Solve for x
    x = 136,998,743.04/15,688.20
  6. Step 6: Final answer
    x = 8,732.60

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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.