Home / 25,347.56-38,018.88-7,812.68

Finding the Fourth Proportional to 25,347.56, 38,018.88 and 7,812.68

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Solution

The fourth proportional to 25,347.56, 38,018.88 and 7,812.68 is: 11,718.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,347.56 : 38,018.88 = 7,812.68 : x
  2. Step 2: Convert to fraction form
    25,347.56/38,018.88 = 7,812.68/x
  3. Step 3: Cross multiply
    25,347.56x = 38,018.88 × 7,812.68
  4. Step 4: Simplify right side
    25,347.56x = 297,029,153.30
  5. Step 5: Solve for x
    x = 297,029,153.30/25,347.56
  6. Step 6: Final answer
    x = 11,718.26

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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.