Home / 19,569.60-27,008.64-13,284

Finding the Fourth Proportional to 19,569.60, 27,008.64 and 13,284

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Solution

The fourth proportional to 19,569.60, 27,008.64 and 13,284 is: 18,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,569.60 : 27,008.64 = 13,284 : x
  2. Step 2: Convert to fraction form
    19,569.60/27,008.64 = 13,284/x
  3. Step 3: Cross multiply
    19,569.60x = 27,008.64 × 13,284
  4. Step 4: Simplify right side
    19,569.60x = 358,782,773.76
  5. Step 5: Solve for x
    x = 358,782,773.76/19,569.60
  6. Step 6: Final answer
    x = 18,333.68

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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.