Home / 14,180.40-21,260.07-9,785.34

Finding the Fourth Proportional to 14,180.40, 21,260.07 and 9,785.34

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Solution

The fourth proportional to 14,180.40, 21,260.07 and 9,785.34 is: 14,670.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.40 : 21,260.07 = 9,785.34 : x
  2. Step 2: Convert to fraction form
    14,180.40/21,260.07 = 9,785.34/x
  3. Step 3: Cross multiply
    14,180.40x = 21,260.07 × 9,785.34
  4. Step 4: Simplify right side
    14,180.40x = 208,037,013.37
  5. Step 5: Solve for x
    x = 208,037,013.37/14,180.40
  6. Step 6: Final answer
    x = 14,670.74

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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.