Home / 21,601.24-32,407.32-9,124.40

Finding the Fourth Proportional to 21,601.24, 32,407.32 and 9,124.40

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Solution

The fourth proportional to 21,601.24, 32,407.32 and 9,124.40 is: 13,688.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,601.24 : 32,407.32 = 9,124.40 : x
  2. Step 2: Convert to fraction form
    21,601.24/32,407.32 = 9,124.40/x
  3. Step 3: Cross multiply
    21,601.24x = 32,407.32 × 9,124.40
  4. Step 4: Simplify right side
    21,601.24x = 295,697,350.61
  5. Step 5: Solve for x
    x = 295,697,350.61/21,601.24
  6. Step 6: Final answer
    x = 13,688.91

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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.