Home / 21,606.74-32,410.12-12,366.26

Finding the Fourth Proportional to 21,606.74, 32,410.12 and 12,366.26

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Solution

The fourth proportional to 21,606.74, 32,410.12 and 12,366.26 is: 18,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606.74 : 32,410.12 = 12,366.26 : x
  2. Step 2: Convert to fraction form
    21,606.74/32,410.12 = 12,366.26/x
  3. Step 3: Cross multiply
    21,606.74x = 32,410.12 × 12,366.26
  4. Step 4: Simplify right side
    21,606.74x = 400,791,970.55
  5. Step 5: Solve for x
    x = 400,791,970.55/21,606.74
  6. Step 6: Final answer
    x = 18,549.40

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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.