Home / 13,064.72-18,030.12-7,476.56

Finding the Fourth Proportional to 13,064.72, 18,030.12 and 7,476.56

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Solution

The fourth proportional to 13,064.72, 18,030.12 and 7,476.56 is: 10,318.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,064.72 : 18,030.12 = 7,476.56 : x
  2. Step 2: Convert to fraction form
    13,064.72/18,030.12 = 7,476.56/x
  3. Step 3: Cross multiply
    13,064.72x = 18,030.12 × 7,476.56
  4. Step 4: Simplify right side
    13,064.72x = 134,803,273.99
  5. Step 5: Solve for x
    x = 134,803,273.99/13,064.72
  6. Step 6: Final answer
    x = 10,318.11

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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.