Home / 12,135.24-16,711.38-10,541.16

Finding the Fourth Proportional to 12,135.24, 16,711.38 and 10,541.16

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Solution

The fourth proportional to 12,135.24, 16,711.38 and 10,541.16 is: 14,516.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,135.24 : 16,711.38 = 10,541.16 : x
  2. Step 2: Convert to fraction form
    12,135.24/16,711.38 = 10,541.16/x
  3. Step 3: Cross multiply
    12,135.24x = 16,711.38 × 10,541.16
  4. Step 4: Simplify right side
    12,135.24x = 176,157,330.40
  5. Step 5: Solve for x
    x = 176,157,330.40/12,135.24
  6. Step 6: Final answer
    x = 14,516.18

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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.