Home / 21,610.64-32,398.68-9,307.28

Finding the Fourth Proportional to 21,610.64, 32,398.68 and 9,307.28

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Solution

The fourth proportional to 21,610.64, 32,398.68 and 9,307.28 is: 13,953.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,610.64 : 32,398.68 = 9,307.28 : x
  2. Step 2: Convert to fraction form
    21,610.64/32,398.68 = 9,307.28/x
  3. Step 3: Cross multiply
    21,610.64x = 32,398.68 × 9,307.28
  4. Step 4: Simplify right side
    21,610.64x = 301,543,586.39
  5. Step 5: Solve for x
    x = 301,543,586.39/21,610.64
  6. Step 6: Final answer
    x = 13,953.48

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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.