Home / 12,526.37-18,787.53-3,759.74

Finding the Fourth Proportional to 12,526.37, 18,787.53 and 3,759.74

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Solution

The fourth proportional to 12,526.37, 18,787.53 and 3,759.74 is: 5,639.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.37 : 18,787.53 = 3,759.74 : x
  2. Step 2: Convert to fraction form
    12,526.37/18,787.53 = 3,759.74/x
  3. Step 3: Cross multiply
    12,526.37x = 18,787.53 × 3,759.74
  4. Step 4: Simplify right side
    12,526.37x = 70,636,209.24
  5. Step 5: Solve for x
    x = 70,636,209.24/12,526.37
  6. Step 6: Final answer
    x = 5,639.00

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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.