Home / 10,381.49-15,572.30-2,590.30

Finding the Fourth Proportional to 10,381.49, 15,572.30 and 2,590.30

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Solution

The fourth proportional to 10,381.49, 15,572.30 and 2,590.30 is: 3,885.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.49 : 15,572.30 = 2,590.30 : x
  2. Step 2: Convert to fraction form
    10,381.49/15,572.30 = 2,590.30/x
  3. Step 3: Cross multiply
    10,381.49x = 15,572.30 × 2,590.30
  4. Step 4: Simplify right side
    10,381.49x = 40,336,928.69
  5. Step 5: Solve for x
    x = 40,336,928.69/10,381.49
  6. Step 6: Final answer
    x = 3,885.47

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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.