Home / 19,237.91-26,538.18-13,259.30

Finding the Fourth Proportional to 19,237.91, 26,538.18 and 13,259.30

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Solution

The fourth proportional to 19,237.91, 26,538.18 and 13,259.30 is: 18,290.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,237.91 : 26,538.18 = 13,259.30 : x
  2. Step 2: Convert to fraction form
    19,237.91/26,538.18 = 13,259.30/x
  3. Step 3: Cross multiply
    19,237.91x = 26,538.18 × 13,259.30
  4. Step 4: Simplify right side
    19,237.91x = 351,877,690.07
  5. Step 5: Solve for x
    x = 351,877,690.07/19,237.91
  6. Step 6: Final answer
    x = 18,290.85

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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.