Home / 65,215.04-97,826.40-18,464

Finding the Fourth Proportional to 65,215.04, 97,826.40 and 18,464

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Solution

The fourth proportional to 65,215.04, 97,826.40 and 18,464 is: 27,697.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,215.04 : 97,826.40 = 18,464 : x
  2. Step 2: Convert to fraction form
    65,215.04/97,826.40 = 18,464/x
  3. Step 3: Cross multiply
    65,215.04x = 97,826.40 × 18,464
  4. Step 4: Simplify right side
    65,215.04x = 1,806,266,649.60
  5. Step 5: Solve for x
    x = 1,806,266,649.60/65,215.04
  6. Step 6: Final answer
    x = 27,697.09

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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.