Home / 13,488.61-18,628.80-10,267.54

Finding the Fourth Proportional to 13,488.61, 18,628.80 and 10,267.54

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Solution

The fourth proportional to 13,488.61, 18,628.80 and 10,267.54 is: 14,180.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488.61 : 18,628.80 = 10,267.54 : x
  2. Step 2: Convert to fraction form
    13,488.61/18,628.80 = 10,267.54/x
  3. Step 3: Cross multiply
    13,488.61x = 18,628.80 × 10,267.54
  4. Step 4: Simplify right side
    13,488.61x = 191,271,923.48
  5. Step 5: Solve for x
    x = 191,271,923.48/13,488.61
  6. Step 6: Final answer
    x = 14,180.26

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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.