Home / 21,948.60-32,885.10-10,237.80

Finding the Fourth Proportional to 21,948.60, 32,885.10 and 10,237.80

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Solution

The fourth proportional to 21,948.60, 32,885.10 and 10,237.80 is: 15,339.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948.60 : 32,885.10 = 10,237.80 : x
  2. Step 2: Convert to fraction form
    21,948.60/32,885.10 = 10,237.80/x
  3. Step 3: Cross multiply
    21,948.60x = 32,885.10 × 10,237.80
  4. Step 4: Simplify right side
    21,948.60x = 336,671,076.78
  5. Step 5: Solve for x
    x = 336,671,076.78/21,948.60
  6. Step 6: Final answer
    x = 15,339.07

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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.