Home / 19,518.06-26,909.51-12,441.90

Finding the Fourth Proportional to 19,518.06, 26,909.51 and 12,441.90

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Solution

The fourth proportional to 19,518.06, 26,909.51 and 12,441.90 is: 17,153.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.06 : 26,909.51 = 12,441.90 : x
  2. Step 2: Convert to fraction form
    19,518.06/26,909.51 = 12,441.90/x
  3. Step 3: Cross multiply
    19,518.06x = 26,909.51 × 12,441.90
  4. Step 4: Simplify right side
    19,518.06x = 334,805,370.26
  5. Step 5: Solve for x
    x = 334,805,370.26/19,518.06
  6. Step 6: Final answer
    x = 17,153.62

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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.