Home / 15,125.40-22,639.54-8,087.81

Finding the Fourth Proportional to 15,125.40, 22,639.54 and 8,087.81

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Solution

The fourth proportional to 15,125.40, 22,639.54 and 8,087.81 is: 12,105.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,125.40 : 22,639.54 = 8,087.81 : x
  2. Step 2: Convert to fraction form
    15,125.40/22,639.54 = 8,087.81/x
  3. Step 3: Cross multiply
    15,125.40x = 22,639.54 × 8,087.81
  4. Step 4: Simplify right side
    15,125.40x = 183,104,298.01
  5. Step 5: Solve for x
    x = 183,104,298.01/15,125.40
  6. Step 6: Final answer
    x = 12,105.75

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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.