Home / 19,973.58-27,564.87-11,478.50

Finding the Fourth Proportional to 19,973.58, 27,564.87 and 11,478.50

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Solution

The fourth proportional to 19,973.58, 27,564.87 and 11,478.50 is: 15,841.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.58 : 27,564.87 = 11,478.50 : x
  2. Step 2: Convert to fraction form
    19,973.58/27,564.87 = 11,478.50/x
  3. Step 3: Cross multiply
    19,973.58x = 27,564.87 × 11,478.50
  4. Step 4: Simplify right side
    19,973.58x = 316,403,360.30
  5. Step 5: Solve for x
    x = 316,403,360.30/19,973.58
  6. Step 6: Final answer
    x = 15,841.09

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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.