Home / 14,260.89-21,391.38-6,460.59

Finding the Fourth Proportional to 14,260.89, 21,391.38 and 6,460.59

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Solution

The fourth proportional to 14,260.89, 21,391.38 and 6,460.59 is: 9,690.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.89 : 21,391.38 = 6,460.59 : x
  2. Step 2: Convert to fraction form
    14,260.89/21,391.38 = 6,460.59/x
  3. Step 3: Cross multiply
    14,260.89x = 21,391.38 × 6,460.59
  4. Step 4: Simplify right side
    14,260.89x = 138,200,935.71
  5. Step 5: Solve for x
    x = 138,200,935.71/14,260.89
  6. Step 6: Final answer
    x = 9,690.91

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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.