Home / 18,267.18-25,209.04-10,307.86

Finding the Fourth Proportional to 18,267.18, 25,209.04 and 10,307.86

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Solution

The fourth proportional to 18,267.18, 25,209.04 and 10,307.86 is: 14,225.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.18 : 25,209.04 = 10,307.86 : x
  2. Step 2: Convert to fraction form
    18,267.18/25,209.04 = 10,307.86/x
  3. Step 3: Cross multiply
    18,267.18x = 25,209.04 × 10,307.86
  4. Step 4: Simplify right side
    18,267.18x = 259,851,203.52
  5. Step 5: Solve for x
    x = 259,851,203.52/18,267.18
  6. Step 6: Final answer
    x = 14,225.03

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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.