Home / 13,367.04-19,955.24-12,477.66

Finding the Fourth Proportional to 13,367.04, 19,955.24 and 12,477.66

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Solution

The fourth proportional to 13,367.04, 19,955.24 and 12,477.66 is: 18,627.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.04 : 19,955.24 = 12,477.66 : x
  2. Step 2: Convert to fraction form
    13,367.04/19,955.24 = 12,477.66/x
  3. Step 3: Cross multiply
    13,367.04x = 19,955.24 × 12,477.66
  4. Step 4: Simplify right side
    13,367.04x = 248,994,637.55
  5. Step 5: Solve for x
    x = 248,994,637.55/13,367.04
  6. Step 6: Final answer
    x = 18,627.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.