Home / 19,730.79-29,588.29-9,335.25

Finding the Fourth Proportional to 19,730.79, 29,588.29 and 9,335.25

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Solution

The fourth proportional to 19,730.79, 29,588.29 and 9,335.25 is: 13,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730.79 : 29,588.29 = 9,335.25 : x
  2. Step 2: Convert to fraction form
    19,730.79/29,588.29 = 9,335.25/x
  3. Step 3: Cross multiply
    19,730.79x = 29,588.29 × 9,335.25
  4. Step 4: Simplify right side
    19,730.79x = 276,214,060.88
  5. Step 5: Solve for x
    x = 276,214,060.88/19,730.79
  6. Step 6: Final answer
    x = 13,999.14

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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.