Home / 10,289.13-15,433.70-2,497.89

Finding the Fourth Proportional to 10,289.13, 15,433.70 and 2,497.89

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Solution

The fourth proportional to 10,289.13, 15,433.70 and 2,497.89 is: 3,746.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.13 : 15,433.70 = 2,497.89 : x
  2. Step 2: Convert to fraction form
    10,289.13/15,433.70 = 2,497.89/x
  3. Step 3: Cross multiply
    10,289.13x = 15,433.70 × 2,497.89
  4. Step 4: Simplify right side
    10,289.13x = 38,551,672.40
  5. Step 5: Solve for x
    x = 38,551,672.40/10,289.13
  6. Step 6: Final answer
    x = 3,746.84

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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.