Home / 10,341.55-15,512.33-5,412.70

Finding the Fourth Proportional to 10,341.55, 15,512.33 and 5,412.70

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Solution

The fourth proportional to 10,341.55, 15,512.33 and 5,412.70 is: 8,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341.55 : 15,512.33 = 5,412.70 : x
  2. Step 2: Convert to fraction form
    10,341.55/15,512.33 = 5,412.70/x
  3. Step 3: Cross multiply
    10,341.55x = 15,512.33 × 5,412.70
  4. Step 4: Simplify right side
    10,341.55x = 83,963,588.59
  5. Step 5: Solve for x
    x = 83,963,588.59/10,341.55
  6. Step 6: Final answer
    x = 8,119.05

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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.