Home / 18,314.65-25,272.84-12,354.40

Finding the Fourth Proportional to 18,314.65, 25,272.84 and 12,354.40

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Solution

The fourth proportional to 18,314.65, 25,272.84 and 12,354.40 is: 17,048.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,314.65 : 25,272.84 = 12,354.40 : x
  2. Step 2: Convert to fraction form
    18,314.65/25,272.84 = 12,354.40/x
  3. Step 3: Cross multiply
    18,314.65x = 25,272.84 × 12,354.40
  4. Step 4: Simplify right side
    18,314.65x = 312,230,774.50
  5. Step 5: Solve for x
    x = 312,230,774.50/18,314.65
  6. Step 6: Final answer
    x = 17,048.14

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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.