Home / 12,557.03-18,835.54-11,726.71

Finding the Fourth Proportional to 12,557.03, 18,835.54 and 11,726.71

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Solution

The fourth proportional to 12,557.03, 18,835.54 and 11,726.71 is: 17,590.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.03 : 18,835.54 = 11,726.71 : x
  2. Step 2: Convert to fraction form
    12,557.03/18,835.54 = 11,726.71/x
  3. Step 3: Cross multiply
    12,557.03x = 18,835.54 × 11,726.71
  4. Step 4: Simplify right side
    12,557.03x = 220,878,838.87
  5. Step 5: Solve for x
    x = 220,878,838.87/12,557.03
  6. Step 6: Final answer
    x = 17,590.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.