Home / 21,421.60-32,153.15-10,336.06

Finding the Fourth Proportional to 21,421.60, 32,153.15 and 10,336.06

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Solution

The fourth proportional to 21,421.60, 32,153.15 and 10,336.06 is: 15,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,421.60 : 32,153.15 = 10,336.06 : x
  2. Step 2: Convert to fraction form
    21,421.60/32,153.15 = 10,336.06/x
  3. Step 3: Cross multiply
    21,421.60x = 32,153.15 × 10,336.06
  4. Step 4: Simplify right side
    21,421.60x = 332,336,887.59
  5. Step 5: Solve for x
    x = 332,336,887.59/21,421.60
  6. Step 6: Final answer
    x = 15,514.10

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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.