Home / 10,401.85-15,602.77-3,476.35

Finding the Fourth Proportional to 10,401.85, 15,602.77 and 3,476.35

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Solution

The fourth proportional to 10,401.85, 15,602.77 and 3,476.35 is: 5,214.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,401.85 : 15,602.77 = 3,476.35 : x
  2. Step 2: Convert to fraction form
    10,401.85/15,602.77 = 3,476.35/x
  3. Step 3: Cross multiply
    10,401.85x = 15,602.77 × 3,476.35
  4. Step 4: Simplify right side
    10,401.85x = 54,240,641.79
  5. Step 5: Solve for x
    x = 54,240,641.79/10,401.85
  6. Step 6: Final answer
    x = 5,214.52

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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.