Home / 19,319.88-26,659.22-10,820.82

Finding the Fourth Proportional to 19,319.88, 26,659.22 and 10,820.82

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Solution

The fourth proportional to 19,319.88, 26,659.22 and 10,820.82 is: 14,931.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319.88 : 26,659.22 = 10,820.82 : x
  2. Step 2: Convert to fraction form
    19,319.88/26,659.22 = 10,820.82/x
  3. Step 3: Cross multiply
    19,319.88x = 26,659.22 × 10,820.82
  4. Step 4: Simplify right side
    19,319.88x = 288,474,566.86
  5. Step 5: Solve for x
    x = 288,474,566.86/19,319.88
  6. Step 6: Final answer
    x = 14,931.49

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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.