Home / 11,503.04-17,242.94-4,478.66

Finding the Fourth Proportional to 11,503.04, 17,242.94 and 4,478.66

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Solution

The fourth proportional to 11,503.04, 17,242.94 and 4,478.66 is: 6,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,503.04 : 17,242.94 = 4,478.66 : x
  2. Step 2: Convert to fraction form
    11,503.04/17,242.94 = 4,478.66/x
  3. Step 3: Cross multiply
    11,503.04x = 17,242.94 × 4,478.66
  4. Step 4: Simplify right side
    11,503.04x = 77,225,265.66
  5. Step 5: Solve for x
    x = 77,225,265.66/11,503.04
  6. Step 6: Final answer
    x = 6,713.47

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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.