Home / 10,401.74-15,602.14-2,905.34

Finding the Fourth Proportional to 10,401.74, 15,602.14 and 2,905.34

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Solution

The fourth proportional to 10,401.74, 15,602.14 and 2,905.34 is: 4,357.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,401.74 : 15,602.14 = 2,905.34 : x
  2. Step 2: Convert to fraction form
    10,401.74/15,602.14 = 2,905.34/x
  3. Step 3: Cross multiply
    10,401.74x = 15,602.14 × 2,905.34
  4. Step 4: Simplify right side
    10,401.74x = 45,329,506.90
  5. Step 5: Solve for x
    x = 45,329,506.90/10,401.74
  6. Step 6: Final answer
    x = 4,357.88

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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.