Home / 18,835.60-28,253.58-5,688.08

Finding the Fourth Proportional to 18,835.60, 28,253.58 and 5,688.08

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Solution

The fourth proportional to 18,835.60, 28,253.58 and 5,688.08 is: 8,532.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835.60 : 28,253.58 = 5,688.08 : x
  2. Step 2: Convert to fraction form
    18,835.60/28,253.58 = 5,688.08/x
  3. Step 3: Cross multiply
    18,835.60x = 28,253.58 × 5,688.08
  4. Step 4: Simplify right side
    18,835.60x = 160,708,623.33
  5. Step 5: Solve for x
    x = 160,708,623.33/18,835.60
  6. Step 6: Final answer
    x = 8,532.17

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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.