Home / 19,218.41-26,520.72-10,720.93

Finding the Fourth Proportional to 19,218.41, 26,520.72 and 10,720.93

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Solution

The fourth proportional to 19,218.41, 26,520.72 and 10,720.93 is: 14,794.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218.41 : 26,520.72 = 10,720.93 : x
  2. Step 2: Convert to fraction form
    19,218.41/26,520.72 = 10,720.93/x
  3. Step 3: Cross multiply
    19,218.41x = 26,520.72 × 10,720.93
  4. Step 4: Simplify right side
    19,218.41x = 284,326,800.48
  5. Step 5: Solve for x
    x = 284,326,800.48/19,218.41
  6. Step 6: Final answer
    x = 14,794.50

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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.