Home / 19,145.52-26,411.76-12,775.08

Finding the Fourth Proportional to 19,145.52, 26,411.76 and 12,775.08

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Solution

The fourth proportional to 19,145.52, 26,411.76 and 12,775.08 is: 17,623.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,145.52 : 26,411.76 = 12,775.08 : x
  2. Step 2: Convert to fraction form
    19,145.52/26,411.76 = 12,775.08/x
  3. Step 3: Cross multiply
    19,145.52x = 26,411.76 × 12,775.08
  4. Step 4: Simplify right side
    19,145.52x = 337,412,346.94
  5. Step 5: Solve for x
    x = 337,412,346.94/19,145.52
  6. Step 6: Final answer
    x = 17,623.57

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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.