Home / 21,767.22-30,041.28-12,337.47

Finding the Fourth Proportional to 21,767.22, 30,041.28 and 12,337.47

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Solution

The fourth proportional to 21,767.22, 30,041.28 and 12,337.47 is: 17,027.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,767.22 : 30,041.28 = 12,337.47 : x
  2. Step 2: Convert to fraction form
    21,767.22/30,041.28 = 12,337.47/x
  3. Step 3: Cross multiply
    21,767.22x = 30,041.28 × 12,337.47
  4. Step 4: Simplify right side
    21,767.22x = 370,633,390.76
  5. Step 5: Solve for x
    x = 370,633,390.76/21,767.22
  6. Step 6: Final answer
    x = 17,027.13

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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.