Home / 22,365.60-30,862.56-12,293.28

Finding the Fourth Proportional to 22,365.60, 30,862.56 and 12,293.28

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Solution

The fourth proportional to 22,365.60, 30,862.56 and 12,293.28 is: 16,963.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,365.60 : 30,862.56 = 12,293.28 : x
  2. Step 2: Convert to fraction form
    22,365.60/30,862.56 = 12,293.28/x
  3. Step 3: Cross multiply
    22,365.60x = 30,862.56 × 12,293.28
  4. Step 4: Simplify right side
    22,365.60x = 379,402,091.60
  5. Step 5: Solve for x
    x = 379,402,091.60/22,365.60
  6. Step 6: Final answer
    x = 16,963.64

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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.