Home / 19,690.64-29,635.10-14,786

Finding the Fourth Proportional to 19,690.64, 29,635.10 and 14,786

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Solution

The fourth proportional to 19,690.64, 29,635.10 and 14,786 is: 22,253.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.64 : 29,635.10 = 14,786 : x
  2. Step 2: Convert to fraction form
    19,690.64/29,635.10 = 14,786/x
  3. Step 3: Cross multiply
    19,690.64x = 29,635.10 × 14,786
  4. Step 4: Simplify right side
    19,690.64x = 438,184,588.60
  5. Step 5: Solve for x
    x = 438,184,588.60/19,690.64
  6. Step 6: Final answer
    x = 22,253.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.