Home / 19,475.65-26,878.35-11,926.90

Finding the Fourth Proportional to 19,475.65, 26,878.35 and 11,926.90

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Solution

The fourth proportional to 19,475.65, 26,878.35 and 11,926.90 is: 16,460.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,475.65 : 26,878.35 = 11,926.90 : x
  2. Step 2: Convert to fraction form
    19,475.65/26,878.35 = 11,926.90/x
  3. Step 3: Cross multiply
    19,475.65x = 26,878.35 × 11,926.90
  4. Step 4: Simplify right side
    19,475.65x = 320,575,392.62
  5. Step 5: Solve for x
    x = 320,575,392.62/19,475.65
  6. Step 6: Final answer
    x = 16,460.32

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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.