Home / 12,560.74-18,823.51-9,438.75

Finding the Fourth Proportional to 12,560.74, 18,823.51 and 9,438.75

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Solution

The fourth proportional to 12,560.74, 18,823.51 and 9,438.75 is: 14,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.74 : 18,823.51 = 9,438.75 : x
  2. Step 2: Convert to fraction form
    12,560.74/18,823.51 = 9,438.75/x
  3. Step 3: Cross multiply
    12,560.74x = 18,823.51 × 9,438.75
  4. Step 4: Simplify right side
    12,560.74x = 177,670,416.81
  5. Step 5: Solve for x
    x = 177,670,416.81/12,560.74
  6. Step 6: Final answer
    x = 14,144.90

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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.