Home / 10,444.80-15,666.48-4,899.39

Finding the Fourth Proportional to 10,444.80, 15,666.48 and 4,899.39

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Solution

The fourth proportional to 10,444.80, 15,666.48 and 4,899.39 is: 7,348.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,444.80 : 15,666.48 = 4,899.39 : x
  2. Step 2: Convert to fraction form
    10,444.80/15,666.48 = 4,899.39/x
  3. Step 3: Cross multiply
    10,444.80x = 15,666.48 × 4,899.39
  4. Step 4: Simplify right side
    10,444.80x = 76,756,195.45
  5. Step 5: Solve for x
    x = 76,756,195.45/10,444.80
  6. Step 6: Final answer
    x = 7,348.75

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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.