Home / 18,267.07-25,209.28-10,712.35

Finding the Fourth Proportional to 18,267.07, 25,209.28 and 10,712.35

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Solution

The fourth proportional to 18,267.07, 25,209.28 and 10,712.35 is: 14,783.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.07 : 25,209.28 = 10,712.35 : x
  2. Step 2: Convert to fraction form
    18,267.07/25,209.28 = 10,712.35/x
  3. Step 3: Cross multiply
    18,267.07x = 25,209.28 × 10,712.35
  4. Step 4: Simplify right side
    18,267.07x = 270,050,615.25
  5. Step 5: Solve for x
    x = 270,050,615.25/18,267.07
  6. Step 6: Final answer
    x = 14,783.47

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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.