Home / 19,082.13-28,639.67-13,242.84

Finding the Fourth Proportional to 19,082.13, 28,639.67 and 13,242.84

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Solution

The fourth proportional to 19,082.13, 28,639.67 and 13,242.84 is: 19,875.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,082.13 : 28,639.67 = 13,242.84 : x
  2. Step 2: Convert to fraction form
    19,082.13/28,639.67 = 13,242.84/x
  3. Step 3: Cross multiply
    19,082.13x = 28,639.67 × 13,242.84
  4. Step 4: Simplify right side
    19,082.13x = 379,270,501.25
  5. Step 5: Solve for x
    x = 379,270,501.25/19,082.13
  6. Step 6: Final answer
    x = 19,875.69

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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.