Home / 13,470.74-20,210.22-6,901.59

Finding the Fourth Proportional to 13,470.74, 20,210.22 and 6,901.59

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Solution

The fourth proportional to 13,470.74, 20,210.22 and 6,901.59 is: 10,354.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.74 : 20,210.22 = 6,901.59 : x
  2. Step 2: Convert to fraction form
    13,470.74/20,210.22 = 6,901.59/x
  3. Step 3: Cross multiply
    13,470.74x = 20,210.22 × 6,901.59
  4. Step 4: Simplify right side
    13,470.74x = 139,482,652.25
  5. Step 5: Solve for x
    x = 139,482,652.25/13,470.74
  6. Step 6: Final answer
    x = 10,354.49

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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.