Home / 18,509.69-25,543.57-10,011.98

Finding the Fourth Proportional to 18,509.69, 25,543.57 and 10,011.98

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Solution

The fourth proportional to 18,509.69, 25,543.57 and 10,011.98 is: 13,816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509.69 : 25,543.57 = 10,011.98 : x
  2. Step 2: Convert to fraction form
    18,509.69/25,543.57 = 10,011.98/x
  3. Step 3: Cross multiply
    18,509.69x = 25,543.57 × 10,011.98
  4. Step 4: Simplify right side
    18,509.69x = 255,741,584.25
  5. Step 5: Solve for x
    x = 255,741,584.25/18,509.69
  6. Step 6: Final answer
    x = 13,816.64

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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.