Home / 25,450.56-38,187.12-9,869.40

Finding the Fourth Proportional to 25,450.56, 38,187.12 and 9,869.40

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Solution

The fourth proportional to 25,450.56, 38,187.12 and 9,869.40 is: 14,808.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.56 : 38,187.12 = 9,869.40 : x
  2. Step 2: Convert to fraction form
    25,450.56/38,187.12 = 9,869.40/x
  3. Step 3: Cross multiply
    25,450.56x = 38,187.12 × 9,869.40
  4. Step 4: Simplify right side
    25,450.56x = 376,883,962.13
  5. Step 5: Solve for x
    x = 376,883,962.13/25,450.56
  6. Step 6: Final answer
    x = 14,808.47

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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.