Home / 19,557.60-26,988.24-11,173.92

Finding the Fourth Proportional to 19,557.60, 26,988.24 and 11,173.92

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Solution

The fourth proportional to 19,557.60, 26,988.24 and 11,173.92 is: 15,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557.60 : 26,988.24 = 11,173.92 : x
  2. Step 2: Convert to fraction form
    19,557.60/26,988.24 = 11,173.92/x
  3. Step 3: Cross multiply
    19,557.60x = 26,988.24 × 11,173.92
  4. Step 4: Simplify right side
    19,557.60x = 301,564,434.70
  5. Step 5: Solve for x
    x = 301,564,434.70/19,557.60
  6. Step 6: Final answer
    x = 15,419.30

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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.