Home / 20,223.77-30,298.64-14,663.30

Finding the Fourth Proportional to 20,223.77, 30,298.64 and 14,663.30

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Solution

The fourth proportional to 20,223.77, 30,298.64 and 14,663.30 is: 21,968.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223.77 : 30,298.64 = 14,663.30 : x
  2. Step 2: Convert to fraction form
    20,223.77/30,298.64 = 14,663.30/x
  3. Step 3: Cross multiply
    20,223.77x = 30,298.64 × 14,663.30
  4. Step 4: Simplify right side
    20,223.77x = 444,277,823.10
  5. Step 5: Solve for x
    x = 444,277,823.10/20,223.77
  6. Step 6: Final answer
    x = 21,968.11

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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.