Home / 15,178.60-22,811.10-13,277.80

Finding the Fourth Proportional to 15,178.60, 22,811.10 and 13,277.80

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Solution

The fourth proportional to 15,178.60, 22,811.10 and 13,277.80 is: 19,954.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178.60 : 22,811.10 = 13,277.80 : x
  2. Step 2: Convert to fraction form
    15,178.60/22,811.10 = 13,277.80/x
  3. Step 3: Cross multiply
    15,178.60x = 22,811.10 × 13,277.80
  4. Step 4: Simplify right side
    15,178.60x = 302,881,223.58
  5. Step 5: Solve for x
    x = 302,881,223.58/15,178.60
  6. Step 6: Final answer
    x = 19,954.49

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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.