Home / 19,973.42-27,564.65-11,478.29

Finding the Fourth Proportional to 19,973.42, 27,564.65 and 11,478.29

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Solution

The fourth proportional to 19,973.42, 27,564.65 and 11,478.29 is: 15,840.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.42 : 27,564.65 = 11,478.29 : x
  2. Step 2: Convert to fraction form
    19,973.42/27,564.65 = 11,478.29/x
  3. Step 3: Cross multiply
    19,973.42x = 27,564.65 × 11,478.29
  4. Step 4: Simplify right side
    19,973.42x = 316,395,113.89
  5. Step 5: Solve for x
    x = 316,395,113.89/19,973.42
  6. Step 6: Final answer
    x = 15,840.81

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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.