Home / 18,744.48-25,870.98-12,038.58

Finding the Fourth Proportional to 18,744.48, 25,870.98 and 12,038.58

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Solution

The fourth proportional to 18,744.48, 25,870.98 and 12,038.58 is: 16,615.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.48 : 25,870.98 = 12,038.58 : x
  2. Step 2: Convert to fraction form
    18,744.48/25,870.98 = 12,038.58/x
  3. Step 3: Cross multiply
    18,744.48x = 25,870.98 × 12,038.58
  4. Step 4: Simplify right side
    18,744.48x = 311,449,862.41
  5. Step 5: Solve for x
    x = 311,449,862.41/18,744.48
  6. Step 6: Final answer
    x = 16,615.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.