Home / 10,457.82-15,584.22-10,172.70

Finding the Fourth Proportional to 10,457.82, 15,584.22 and 10,172.70

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Solution

The fourth proportional to 10,457.82, 15,584.22 and 10,172.70 is: 15,159.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457.82 : 15,584.22 = 10,172.70 : x
  2. Step 2: Convert to fraction form
    10,457.82/15,584.22 = 10,172.70/x
  3. Step 3: Cross multiply
    10,457.82x = 15,584.22 × 10,172.70
  4. Step 4: Simplify right side
    10,457.82x = 158,533,594.79
  5. Step 5: Solve for x
    x = 158,533,594.79/10,457.82
  6. Step 6: Final answer
    x = 15,159.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.