Home / 18,903.24-28,365.84-10,470.60

Finding the Fourth Proportional to 18,903.24, 28,365.84 and 10,470.60

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Solution

The fourth proportional to 18,903.24, 28,365.84 and 10,470.60 is: 15,711.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,903.24 : 28,365.84 = 10,470.60 : x
  2. Step 2: Convert to fraction form
    18,903.24/28,365.84 = 10,470.60/x
  3. Step 3: Cross multiply
    18,903.24x = 28,365.84 × 10,470.60
  4. Step 4: Simplify right side
    18,903.24x = 297,007,364.30
  5. Step 5: Solve for x
    x = 297,007,364.30/18,903.24
  6. Step 6: Final answer
    x = 15,711.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.