Home / 16,085.13-22,197.64-8,915.20

Finding the Fourth Proportional to 16,085.13, 22,197.64 and 8,915.20

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Solution

The fourth proportional to 16,085.13, 22,197.64 and 8,915.20 is: 12,303.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,085.13 : 22,197.64 = 8,915.20 : x
  2. Step 2: Convert to fraction form
    16,085.13/22,197.64 = 8,915.20/x
  3. Step 3: Cross multiply
    16,085.13x = 22,197.64 × 8,915.20
  4. Step 4: Simplify right side
    16,085.13x = 197,896,463.92
  5. Step 5: Solve for x
    x = 197,896,463.92/16,085.13
  6. Step 6: Final answer
    x = 12,303.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.