Home / 19,710.03-27,200.12-11,756.87

Finding the Fourth Proportional to 19,710.03, 27,200.12 and 11,756.87

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Solution

The fourth proportional to 19,710.03, 27,200.12 and 11,756.87 is: 16,224.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,710.03 : 27,200.12 = 11,756.87 : x
  2. Step 2: Convert to fraction form
    19,710.03/27,200.12 = 11,756.87/x
  3. Step 3: Cross multiply
    19,710.03x = 27,200.12 × 11,756.87
  4. Step 4: Simplify right side
    19,710.03x = 319,788,080.04
  5. Step 5: Solve for x
    x = 319,788,080.04/19,710.03
  6. Step 6: Final answer
    x = 16,224.64

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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.