Home / 19,519.04-26,917.83-12,810.48

Finding the Fourth Proportional to 19,519.04, 26,917.83 and 12,810.48

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Solution

The fourth proportional to 19,519.04, 26,917.83 and 12,810.48 is: 17,666.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.04 : 26,917.83 = 12,810.48 : x
  2. Step 2: Convert to fraction form
    19,519.04/26,917.83 = 12,810.48/x
  3. Step 3: Cross multiply
    19,519.04x = 26,917.83 × 12,810.48
  4. Step 4: Simplify right side
    19,519.04x = 344,830,322.86
  5. Step 5: Solve for x
    x = 344,830,322.86/19,519.04
  6. Step 6: Final answer
    x = 17,666.36

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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.