Home / 19,354.86-26,708.18-10,855.85

Finding the Fourth Proportional to 19,354.86, 26,708.18 and 10,855.85

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Solution

The fourth proportional to 19,354.86, 26,708.18 and 10,855.85 is: 14,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,354.86 : 26,708.18 = 10,855.85 : x
  2. Step 2: Convert to fraction form
    19,354.86/26,708.18 = 10,855.85/x
  3. Step 3: Cross multiply
    19,354.86x = 26,708.18 × 10,855.85
  4. Step 4: Simplify right side
    19,354.86x = 289,939,808.03
  5. Step 5: Solve for x
    x = 289,939,808.03/19,354.86
  6. Step 6: Final answer
    x = 14,980.21

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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.