Home / 21,470.60-32,208.83-7,426.86

Finding the Fourth Proportional to 21,470.60, 32,208.83 and 7,426.86

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Solution

The fourth proportional to 21,470.60, 32,208.83 and 7,426.86 is: 11,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,470.60 : 32,208.83 = 7,426.86 : x
  2. Step 2: Convert to fraction form
    21,470.60/32,208.83 = 7,426.86/x
  3. Step 3: Cross multiply
    21,470.60x = 32,208.83 × 7,426.86
  4. Step 4: Simplify right side
    21,470.60x = 239,210,434.04
  5. Step 5: Solve for x
    x = 239,210,434.04/21,470.60
  6. Step 6: Final answer
    x = 11,141.30

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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.