Home / 21,807.63-30,109.73-14,648.45

Finding the Fourth Proportional to 21,807.63, 30,109.73 and 14,648.45

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Solution

The fourth proportional to 21,807.63, 30,109.73 and 14,648.45 is: 20,225.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,807.63 : 30,109.73 = 14,648.45 : x
  2. Step 2: Convert to fraction form
    21,807.63/30,109.73 = 14,648.45/x
  3. Step 3: Cross multiply
    21,807.63x = 30,109.73 × 14,648.45
  4. Step 4: Simplify right side
    21,807.63x = 441,060,650.63
  5. Step 5: Solve for x
    x = 441,060,650.63/21,807.63
  6. Step 6: Final answer
    x = 20,225.06

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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.