Home / 21,477.40-32,214.75-6,685.18

Finding the Fourth Proportional to 21,477.40, 32,214.75 and 6,685.18

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Solution

The fourth proportional to 21,477.40, 32,214.75 and 6,685.18 is: 10,027.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,477.40 : 32,214.75 = 6,685.18 : x
  2. Step 2: Convert to fraction form
    21,477.40/32,214.75 = 6,685.18/x
  3. Step 3: Cross multiply
    21,477.40x = 32,214.75 × 6,685.18
  4. Step 4: Simplify right side
    21,477.40x = 215,361,402.41
  5. Step 5: Solve for x
    x = 215,361,402.41/21,477.40
  6. Step 6: Final answer
    x = 10,027.35

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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.