Home / 19,000.96-26,195.76-13,328.08

Finding the Fourth Proportional to 19,000.96, 26,195.76 and 13,328.08

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Solution

The fourth proportional to 19,000.96, 26,195.76 and 13,328.08 is: 18,374.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.96 : 26,195.76 = 13,328.08 : x
  2. Step 2: Convert to fraction form
    19,000.96/26,195.76 = 13,328.08/x
  3. Step 3: Cross multiply
    19,000.96x = 26,195.76 × 13,328.08
  4. Step 4: Simplify right side
    19,000.96x = 349,139,184.94
  5. Step 5: Solve for x
    x = 349,139,184.94/19,000.96
  6. Step 6: Final answer
    x = 18,374.82

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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.