Home / 18,975.04-26,184-11,014.72

Finding the Fourth Proportional to 18,975.04, 26,184 and 11,014.72

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Solution

The fourth proportional to 18,975.04, 26,184 and 11,014.72 is: 15,199.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975.04 : 26,184 = 11,014.72 : x
  2. Step 2: Convert to fraction form
    18,975.04/26,184 = 11,014.72/x
  3. Step 3: Cross multiply
    18,975.04x = 26,184 × 11,014.72
  4. Step 4: Simplify right side
    18,975.04x = 288,409,428.48
  5. Step 5: Solve for x
    x = 288,409,428.48/18,975.04
  6. Step 6: Final answer
    x = 15,199.41

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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.