Home / 21,753.64-30,019.44-12,325.24

Finding the Fourth Proportional to 21,753.64, 30,019.44 and 12,325.24

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Solution

The fourth proportional to 21,753.64, 30,019.44 and 12,325.24 is: 17,008.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,753.64 : 30,019.44 = 12,325.24 : x
  2. Step 2: Convert to fraction form
    21,753.64/30,019.44 = 12,325.24/x
  3. Step 3: Cross multiply
    21,753.64x = 30,019.44 × 12,325.24
  4. Step 4: Simplify right side
    21,753.64x = 369,996,802.67
  5. Step 5: Solve for x
    x = 369,996,802.67/21,753.64
  6. Step 6: Final answer
    x = 17,008.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.