Home / 15,690.36-23,534.82-5,302.20

Finding the Fourth Proportional to 15,690.36, 23,534.82 and 5,302.20

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Solution

The fourth proportional to 15,690.36, 23,534.82 and 5,302.20 is: 7,953.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,690.36 : 23,534.82 = 5,302.20 : x
  2. Step 2: Convert to fraction form
    15,690.36/23,534.82 = 5,302.20/x
  3. Step 3: Cross multiply
    15,690.36x = 23,534.82 × 5,302.20
  4. Step 4: Simplify right side
    15,690.36x = 124,786,322.60
  5. Step 5: Solve for x
    x = 124,786,322.60/15,690.36
  6. Step 6: Final answer
    x = 7,953.06

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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.