Home / 10,278.23-15,423.21-5,598.05

Finding the Fourth Proportional to 10,278.23, 15,423.21 and 5,598.05

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Solution

The fourth proportional to 10,278.23, 15,423.21 and 5,598.05 is: 8,400.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.23 : 15,423.21 = 5,598.05 : x
  2. Step 2: Convert to fraction form
    10,278.23/15,423.21 = 5,598.05/x
  3. Step 3: Cross multiply
    10,278.23x = 15,423.21 × 5,598.05
  4. Step 4: Simplify right side
    10,278.23x = 86,339,823.62
  5. Step 5: Solve for x
    x = 86,339,823.62/10,278.23
  6. Step 6: Final answer
    x = 8,400.27

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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.