Home / 19,119.70-26,407.26-12,735.77

Finding the Fourth Proportional to 19,119.70, 26,407.26 and 12,735.77

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Solution

The fourth proportional to 19,119.70, 26,407.26 and 12,735.77 is: 17,590.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.70 : 26,407.26 = 12,735.77 : x
  2. Step 2: Convert to fraction form
    19,119.70/26,407.26 = 12,735.77/x
  3. Step 3: Cross multiply
    19,119.70x = 26,407.26 × 12,735.77
  4. Step 4: Simplify right side
    19,119.70x = 336,316,855.71
  5. Step 5: Solve for x
    x = 336,316,855.71/19,119.70
  6. Step 6: Final answer
    x = 17,590.07

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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.