Home / 13,289.03-18,336.15-10,101.47

Finding the Fourth Proportional to 13,289.03, 18,336.15 and 10,101.47

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Solution

The fourth proportional to 13,289.03, 18,336.15 and 10,101.47 is: 13,937.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289.03 : 18,336.15 = 10,101.47 : x
  2. Step 2: Convert to fraction form
    13,289.03/18,336.15 = 10,101.47/x
  3. Step 3: Cross multiply
    13,289.03x = 18,336.15 × 10,101.47
  4. Step 4: Simplify right side
    13,289.03x = 185,221,977.46
  5. Step 5: Solve for x
    x = 185,221,977.46/13,289.03
  6. Step 6: Final answer
    x = 13,937.97

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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.