Home / 13,082.54-18,060.80-10,502.21

Finding the Fourth Proportional to 13,082.54, 18,060.80 and 10,502.21

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Solution

The fourth proportional to 13,082.54, 18,060.80 and 10,502.21 is: 14,498.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.54 : 18,060.80 = 10,502.21 : x
  2. Step 2: Convert to fraction form
    13,082.54/18,060.80 = 10,502.21/x
  3. Step 3: Cross multiply
    13,082.54x = 18,060.80 × 10,502.21
  4. Step 4: Simplify right side
    13,082.54x = 189,678,307.01
  5. Step 5: Solve for x
    x = 189,678,307.01/13,082.54
  6. Step 6: Final answer
    x = 14,498.59

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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.