Home / 18,897.20-26,088.93-12,532.44

Finding the Fourth Proportional to 18,897.20, 26,088.93 and 12,532.44

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Solution

The fourth proportional to 18,897.20, 26,088.93 and 12,532.44 is: 17,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,897.20 : 26,088.93 = 12,532.44 : x
  2. Step 2: Convert to fraction form
    18,897.20/26,088.93 = 12,532.44/x
  3. Step 3: Cross multiply
    18,897.20x = 26,088.93 × 12,532.44
  4. Step 4: Simplify right side
    18,897.20x = 326,957,949.89
  5. Step 5: Solve for x
    x = 326,957,949.89/18,897.20
  6. Step 6: Final answer
    x = 17,301.93

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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.