Home / 13,082.02-18,053.10-7,417.84

Finding the Fourth Proportional to 13,082.02, 18,053.10 and 7,417.84

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Solution

The fourth proportional to 13,082.02, 18,053.10 and 7,417.84 is: 10,236.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.02 : 18,053.10 = 7,417.84 : x
  2. Step 2: Convert to fraction form
    13,082.02/18,053.10 = 7,417.84/x
  3. Step 3: Cross multiply
    13,082.02x = 18,053.10 × 7,417.84
  4. Step 4: Simplify right side
    13,082.02x = 133,915,007.30
  5. Step 5: Solve for x
    x = 133,915,007.30/13,082.02
  6. Step 6: Final answer
    x = 10,236.57

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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.