Home / 19,057.64-26,290.72-12,345.48

Finding the Fourth Proportional to 19,057.64, 26,290.72 and 12,345.48

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Solution

The fourth proportional to 19,057.64, 26,290.72 and 12,345.48 is: 17,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,057.64 : 26,290.72 = 12,345.48 : x
  2. Step 2: Convert to fraction form
    19,057.64/26,290.72 = 12,345.48/x
  3. Step 3: Cross multiply
    19,057.64x = 26,290.72 × 12,345.48
  4. Step 4: Simplify right side
    19,057.64x = 324,571,557.95
  5. Step 5: Solve for x
    x = 324,571,557.95/19,057.64
  6. Step 6: Final answer
    x = 17,031.05

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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.