Home / 21,349.80-32,041.18-9,671.24

Finding the Fourth Proportional to 21,349.80, 32,041.18 and 9,671.24

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Solution

The fourth proportional to 21,349.80, 32,041.18 and 9,671.24 is: 14,514.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,349.80 : 32,041.18 = 9,671.24 : x
  2. Step 2: Convert to fraction form
    21,349.80/32,041.18 = 9,671.24/x
  3. Step 3: Cross multiply
    21,349.80x = 32,041.18 × 9,671.24
  4. Step 4: Simplify right side
    21,349.80x = 309,877,941.66
  5. Step 5: Solve for x
    x = 309,877,941.66/21,349.80
  6. Step 6: Final answer
    x = 14,514.33

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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.