Home / 10,539.93-15,809.91-2,748.75

Finding the Fourth Proportional to 10,539.93, 15,809.91 and 2,748.75

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Solution

The fourth proportional to 10,539.93, 15,809.91 and 2,748.75 is: 4,123.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.93 : 15,809.91 = 2,748.75 : x
  2. Step 2: Convert to fraction form
    10,539.93/15,809.91 = 2,748.75/x
  3. Step 3: Cross multiply
    10,539.93x = 15,809.91 × 2,748.75
  4. Step 4: Simplify right side
    10,539.93x = 43,457,490.11
  5. Step 5: Solve for x
    x = 43,457,490.11/10,539.93
  6. Step 6: Final answer
    x = 4,123.13

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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.