Home / 19,645.20-29,421.36-14,959.56

Finding the Fourth Proportional to 19,645.20, 29,421.36 and 14,959.56

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Solution

The fourth proportional to 19,645.20, 29,421.36 and 14,959.56 is: 22,403.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,645.20 : 29,421.36 = 14,959.56 : x
  2. Step 2: Convert to fraction form
    19,645.20/29,421.36 = 14,959.56/x
  3. Step 3: Cross multiply
    19,645.20x = 29,421.36 × 14,959.56
  4. Step 4: Simplify right side
    19,645.20x = 440,130,600.20
  5. Step 5: Solve for x
    x = 440,130,600.20/19,645.20
  6. Step 6: Final answer
    x = 22,403.98

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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.