Home / 19,569.28-27,009.60-12,494.40

Finding the Fourth Proportional to 19,569.28, 27,009.60 and 12,494.40

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Solution

The fourth proportional to 19,569.28, 27,009.60 and 12,494.40 is: 17,244.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,569.28 : 27,009.60 = 12,494.40 : x
  2. Step 2: Convert to fraction form
    19,569.28/27,009.60 = 12,494.40/x
  3. Step 3: Cross multiply
    19,569.28x = 27,009.60 × 12,494.40
  4. Step 4: Simplify right side
    19,569.28x = 337,468,746.24
  5. Step 5: Solve for x
    x = 337,468,746.24/19,569.28
  6. Step 6: Final answer
    x = 17,244.82

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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.