Home / 18,830.76-25,985.96-10,332.86

Finding the Fourth Proportional to 18,830.76, 25,985.96 and 10,332.86

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Solution

The fourth proportional to 18,830.76, 25,985.96 and 10,332.86 is: 14,259.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830.76 : 25,985.96 = 10,332.86 : x
  2. Step 2: Convert to fraction form
    18,830.76/25,985.96 = 10,332.86/x
  3. Step 3: Cross multiply
    18,830.76x = 25,985.96 × 10,332.86
  4. Step 4: Simplify right side
    18,830.76x = 268,509,105.05
  5. Step 5: Solve for x
    x = 268,509,105.05/18,830.76
  6. Step 6: Final answer
    x = 14,259.07

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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.