Home / 10,008.42-15,014.79-4,169.40

Finding the Fourth Proportional to 10,008.42, 15,014.79 and 4,169.40

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Solution

The fourth proportional to 10,008.42, 15,014.79 and 4,169.40 is: 6,255.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.42 : 15,014.79 = 4,169.40 : x
  2. Step 2: Convert to fraction form
    10,008.42/15,014.79 = 4,169.40/x
  3. Step 3: Cross multiply
    10,008.42x = 15,014.79 × 4,169.40
  4. Step 4: Simplify right side
    10,008.42x = 62,602,665.43
  5. Step 5: Solve for x
    x = 62,602,665.43/10,008.42
  6. Step 6: Final answer
    x = 6,255.00

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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.