Home / 10,390.68-15,582.54-3,368.84

Finding the Fourth Proportional to 10,390.68, 15,582.54 and 3,368.84

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Solution

The fourth proportional to 10,390.68, 15,582.54 and 3,368.84 is: 5,052.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.68 : 15,582.54 = 3,368.84 : x
  2. Step 2: Convert to fraction form
    10,390.68/15,582.54 = 3,368.84/x
  3. Step 3: Cross multiply
    10,390.68x = 15,582.54 × 3,368.84
  4. Step 4: Simplify right side
    10,390.68x = 52,495,084.05
  5. Step 5: Solve for x
    x = 52,495,084.05/10,390.68
  6. Step 6: Final answer
    x = 5,052.13

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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.