Home / 10,204.86-15,307.40-3,089.16

Finding the Fourth Proportional to 10,204.86, 15,307.40 and 3,089.16

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Solution

The fourth proportional to 10,204.86, 15,307.40 and 3,089.16 is: 4,633.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204.86 : 15,307.40 = 3,089.16 : x
  2. Step 2: Convert to fraction form
    10,204.86/15,307.40 = 3,089.16/x
  3. Step 3: Cross multiply
    10,204.86x = 15,307.40 × 3,089.16
  4. Step 4: Simplify right side
    10,204.86x = 47,287,007.78
  5. Step 5: Solve for x
    x = 47,287,007.78/10,204.86
  6. Step 6: Final answer
    x = 4,633.77

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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.