Home / 10,284.05-15,444.90-9,416.54

Finding the Fourth Proportional to 10,284.05, 15,444.90 and 9,416.54

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Solution

The fourth proportional to 10,284.05, 15,444.90 and 9,416.54 is: 14,142.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.05 : 15,444.90 = 9,416.54 : x
  2. Step 2: Convert to fraction form
    10,284.05/15,444.90 = 9,416.54/x
  3. Step 3: Cross multiply
    10,284.05x = 15,444.90 × 9,416.54
  4. Step 4: Simplify right side
    10,284.05x = 145,437,441.42
  5. Step 5: Solve for x
    x = 145,437,441.42/10,284.05
  6. Step 6: Final answer
    x = 14,142.05

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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.